duplex+process

- acoustic alarm system
- acoustic image system
- acoustic systems
- actiontrack system
- active IR-system
- actuator system
- adaptive communication system
- adaptive teleinformation system
- adaptive telemetering system
- advanced information system
- Afsatcom system
- air system
- aircraft intercommunication system
- airfield communication system
- air-ground automatic system
- airline reservation system
- air-to-ground TV system
- alarm signal system
- alarm system
- all-channel signaling system
- ALL-IN-ONE system
- alphanumeric system
- amplified speaker system
- amplitude shift-keying system
- AMPS system
- analog cellular communication system
- analog cellular system
- analog component video system
- analog television system
- analog tropospheric system
- anisochronous system
- antenna system
- antitheft system
- AR system
- Arabsat system
- ASK system
- associated channel analog system
- asynchronous address communication system
- audio recording system
- Aurora system
- Aussat system
- automatic communication system
- automatic connection establishment system
- automatic control system
- automatic data acquisition system
- automatic telegraphy system
- automatic telephone system
- automatic tuning system
- automatized cellular system
- auxiliary alarm system
- balanced cable transmission system
- band sharing system
- base station system
- baseband system
- basic input/output system
- bass-reflex speaker system
- batch processing system
- batch transmission system
- batch-and-forward system
- batteryless system
- bilateral CTV system
- binary tariff system
- biocontrol system
- bit parallel interface system
- bit transport system
- bridge duplex system
- broadband mobile system
- broadcast satellite system
- broadcasting delivery media systems
- burglar alarm system
- byte-serial interface system
- cabinet system
- cabinetless system
- cable distribution system
- cable TV system
- call-accounting system
- call-answering system
- call-counting system
- call-distributing system
- call-processing system
- call-queueing system
- camp-on system
- CAPTAIN system
- car component audio system
- carrier reinsertion system
- carrier system
- carrier-communication system
- carrier-current communication system
- Cassegrain-Schmidt system
- cassette recording system
- cassette reproducing system
- CATRIN system
- caution system
- CD 900 system
- cellular system
- cellular-radio system
- central-battery system
- centralized control system
- chirp binary telegraph system
- cipher system
- circuit switched telecommunication system
- circuit switching telecommunication system
- circular telecontrol system
- clock system
- closed-circuit communication system
- closed-circuit telegraph system
- closed-numbering system
- code-dependent system
- code-division multiple access system
- code-independent system
- code-insensitive system
- code-sensitive system
- coding system
- coherent fiber-optic system
- collimating system
- collocated system
- color separating system
- combined numbering system
- combined power supply system
- combined satellite communication system
- common-battery system
- common-carrier system
- common-channel signaling system
- common-engineering communication system
- common-purpose cellular system
- common-using band system
- common-using cordless telephone system
- common-using paging system
- communication system
- communication traffic system
- communications system
- community antenna system
- community antenna television system
- community TV-system
- commununication switching system
- compact disk digital audio system
- compatible color television system
- compatible single sideband system
- compatible single-band system
- compatible TV-system
- complex radio communication system
- computer vision system
- computer-telephone system
- Comsar system
- Comsat system
- Conax system
- concentrated-insonation system
- conference system
- conference-communication system
- congested system
- congress-class system
- constant-current system
- control generating system
- conventional television system
- Conversant system
- cordless-communication system
- crossbar system
- crossed-coincident microphone system
- Crosspoint system
- CSE system
- C-system
- cubical video projecting system
- data processing system
- data system
- data transport system
- data-collection system
- data-compression system
- data-exchange system
- dataflow system
- data-gathering system
- data-handling system
- data-measuring system
- data-reduction system
- data-transmission system
- Decca Navigator system
- DECfax system
- decision-feedback system
- dedicated control channel system
- dedicated multimedia system
- delta-sigma system
- deluxe presentation system
- departmental communication system
- desktop-video system
- DFS/Copernicus system
- dial-telephone system
- differential phase shift-keying system
- differential-duplex system
- differential-magnetic system
- digital camera system
- digital hybrid-key telephone system
- digital mass storage system
- digital microwave radio transmission system
- digital telephone communication system
- digital transmission system
- digital TV-communication system
- Digital UNIX system
- digital-analog system
- digital-cellular system
- digital-data modulation system
- digital-effect system
- digital-message entry system
- digital-termination system
- direct-broadcasting satellite system
- directing system
- direct-modulation system
- direct-sequence system
- direct-telephone communication system
- discrete communication system
- discrete sound system
- discrete-addressing system
- disk-operating system
- DISOSS system
- dispatch telephone communication system
- dispatch-center system
- dispersed-insonation system
- distributed-insonation system
- distributed-processing system
- documental-type communication system
- Dolby systems
- domestic satellite communication system
- double-band telephone communication system
- double-channel transmission system
- double-current transmission system
- double-pole communication system
- double-sideband large carrier system
- DSCS system
- D-system
- dual-cable system
- dual-reflector system
- duplexed system
- Earth-to-space transmission system
- ECM system
- electric communication system
- electronic antishock system
- electronic data-gathering system
- electronic data-processing system
- electronic-message system
- electronic-scanning system
- electronic-switching system
- Ellipso system
- emergency telephone communication system
- emergency-broadcast system
- EMX system
- equidistant system
- error-correction system
- error-detection system
- Eutelsat system
- extensible system
- external paging system
- facsimile system
- fast-acting servicing system
- fault-tolerant system
- fax communication system
- fax transmitting system
- feed system
- fiber transmission system
- fiber-optic transmission system
- field-sequential system
- final mile system
- finishing system
- fire alarm system
- fire warning system
- first generation cellular system
- five-channel communication system
- fixed satellite system
- Flexcam system
- flexible access system
- Flitsatcom system
- focusing system
- four-channel sound system
- four-dimensional system
- four-wire telephone communication system
- frame-sequential system
- frequency shift-keying system
- frequency-carrier system
- frequency-control system
- front-bass reflex speaker system
- fully digital system
- gate system
- Gaussian system
- generalized system
- generating dynamic system
- generator-dc-motor system
- GIGASET radio system
- global positioning system
- Global system
- Gopher system
- grandfathered system
- group-alerting and dispatching system
- guide system
- hard-wired CCTV system
- hazard system
- helical-scan system
- HF-synchronizing system
- high-precision navigating system
- Hi-linear system
- home system
- home-telephone system
- home-type system
- homing-guidance system
- host system
- hydroacoustic system
- ideal communication system
- idealized system
- image informaion system
- image-forming system
- immedial servicing system
- incompatible system
- independent system
- information retrieval system
- information system radio system
- information system
- information-feedback system
- information-measuring system
- infrared alarm system
- Inmarsat system
- Inmarsat-A system
- Inmarsat-B system
- Inmarsat-C system
- Inmarsat-D system
- Inmarsat-M system
- Inmarsat-P system
- integrated telephone system
- integrated videographic teleconferencing system
- integrated-antenna system
- integrated-communication system
- integrated-modulation system
- integrated-office system
- Intelsat system
- interactive system
- intercarrier-sound system
- intercommunication system
- intercontinental tropospheric system
- interlock system
- intermachine exchange system
- intermediate system
- international communication system
- interphone system
- Intervision system
- intraband signaling system
- intruder alarm system
- inward-outward dialing system
- ionoscatter system
- ionosphere sounder system
- ionospheric system
- Iridium system
- isolated system
- Italsat system
- J-carrier system
- joint-multichannel trunking and switching system
- K-carrier system
- key system
- key-telephone system
- land satellite communication system
- large-grained communication system
- laser communication system
- L-band satellite system
- L-carrier system
- Leasat system
- lightning protection system
- limited distortion system
- line amplifiers system
- link system
- little-channel relay system
- local alarm system
- local battery system
- local communication system
- local radio paging system
- long-haul system
- long-range system
- loop system
- loud-speaking communication system
- low-traffic system
- magnetic tape recording system
- Mail system
- management-information system
- manual cellular system system
- manual telephone set system
- Marisat system
- master television system
- master-antenna television system
- matrix sound system
- message feedback system
- message procession system
- message registration system
- message-switched system
- meteor radio system
- Metrobus system
- micro component system
- Micro Press Cluster Printing system
- micro-lens system
- microprocessor system
- microwave relay system
- midi system
- mine radio telephone system
- mini system
- mixed media system
- mixed numbering system
- mobile cellular communication system
- mobile land communication system
- mobile radio system
- mobile relay system
- mobile system
- modulated system
- monetary mobile system
- MS-Mail system
- multiareal system
- multicassette system
- multichannel telephone system
- multicomputer system
- multidisk system
- multiformat recording system
- multifrequency tone signaling system
- multiguard system
- multilevel mixed system
- multimedia system
- multiple-channel system
- multiqueue system
- Multiscrypt system
- multistandard system
- multitrack editing system
- mutibeam antenna system
- muting system
- Nagravision system
- NAMTS system
- narrow-angle TV system
- national communication system
- navigation system
- n-channel communication system
- n-channel DPSK system
- n-channel transmission system
- network standalone system
- network system
- network-operation system
- networks numbering system
- neutral direct-current telegraph system
- n-head video system
- NMT system
- noise-reduction system
- nonhoming tuning system
- noninterlaced television system
- nonsegmented system
- Norsat system
- n-satellite system system
- n-tone DPSK system
- n-tone MFSK system
- NTSC system
- NTT system
- obligatory message system
- Odyssey system
- off-line system
- on-line computer system
- on-line secured system
- open numbering system
- open system
- operative-engineering communication system
- opposite signals system
- optical-communication system
- optical-information system
- optical-projection system
- optoelectronic system
- oscillating system
- oscillation system
- outband signaling system
- package-and-resource tracking system
- pagemaster system
- paging system
- PAL system
- parametric system
- PATHWORKS system
- pattern recognition system
- personal holding guard system
- phase shift-keying system
- phone system
- Piccolo system
- pilot-controller system
- polar direct-current telegraph system
- portable mobile system
- power control system
- power controlling system
- power-line carrier system
- power-supply system
- press-to-talk system
- Prestel system
- primary-supply system
- privacy system
- private branch paging system
- private movable system
- private videodata system
- private videotex system
- process-interface system
- PROFS system
- programmable cross-connect system
- programmable cross-connected system
- programmed radio system
- prompting system
- protected wireline distribution system
- protection system
- pseudoquadraphony system
- pseudotrunking system
- public videodata system
- public videotex system
- pulse-code system
- pulse-frequency system
- pulse-time system
- quadraphonic sound system
- quadruple-diversity system
- R1 system
- R2 system
- radio buoy system
- radio command system
- radio communication system
- Radio Data system
- radio facsimile system
- Radiocom 2000 system
- radio-control system
- radio-paging system
- radio-relay system
- radiosonde-radio-wind system
- radio-telemetering system
- real time pulse-echo system
- real time system
- receiver lockout system
- recording system
- recovery system
- redundant system
- reference-information system
- regional electronic payment system
- relay-radio system
- remote concentrating system
- remote control system
- remote diagnostic system
- remote information system
- remote semiconcentrating system
- remote sensing system
- remote signaling system
- rendering system
- rerecording system
- reserved servicing system
- RF/Transmission system
- rotary system
- safety alarm system
- safety system
- Satcom system
- satellite comminication system
- satellite marine comminication system
- Satellite Master Antenna Television system
- satellite radio system
- satellite-aircraft communication system
- SB-communication system
- SBL communication system
- scalable system
- scanning trunking system
- SCO UNIX system
- searchless identification system
- seat reservation system
- SECAM system
- second generation cellular system
- second room system
- secondary supply system
- secrecy system
- section communication system
- security system
- segmented system
- seismic system
- selective calling system
- selective frequency base station system
- selective protective system
- selective telephone system
- self-adjusting system
- self-balancing differential system
- self-contained system
- self-test system
- selsyn system
- semiautomatic-switching system
- semiautomatized cellular system
- sensory system
- servo system
- shadow-batch system
- short-haul microwave system
- Sicral system
- Sigma Servo system
- signal system
- simplex movable system
- single-band transmission system
- single-busbar system
- single-cable communication system
- single-cable system
- single-channel system
- single-current transmission system
- single-pulse tracking system
- Skynet system
- small-grained communication system
- SmarTrunk II radio communication system
- solid-state uninterruptible power battery system
- Sony bus system
- sound alarm system
- sound equalization system
- sound navigation system
- sound reinforcement system
- sound warning system
- space-division system
- space-switched system
- spark-safe system
- speaker system
- special communication system
- speech-processing system
- speech-recognition system
- split-speaker system
- spread-spectrum system
- stabilizing system
- stage monitoring system
- standalone double point system
- star-circuit system
- STAREX CMX system
- starting communication system
- start-stop system
- stationary satellite system
- step-by-step system
- stereo sound system
- stereophonic sound system
- storage system
- storage-and-retrieval system
- Strowger system
- submarine fiber-optic system
- subprimary digital transmission system
- subscriber carrier system
- subscriber switching system
- suffix system
- Supersat system
- supervisory control system
- surround sound system
- switched telecommunication system
- switching system
- sync communication system
- synchro system
- synchronous communication system
- synchronous digital system
- TAGS system
- tandem system
- tariffication system
- T-carrier system
- TDF system
- teleautomatic system
- Telecom system
- telecommunication system
- telecommunications system
- telecommunication-service priority system
- telecommunications-service priority system
- telecontrol system
- telemechanic system
- telemetering system
- telemetry system
- telephone system
- telephone-answering system
- telephone-communication system
- telephone-communications system
- teleprocessing system
- Telesat system
- teletex system
- teletypewriter system
- television-telephone system
- Tele-X system
- Telsar system
- terminal system
- terrestrial radio-relay system
- theft-prevention system
- thin-route system
- third generation communication system
- three-axle stabilizing system
- three-channel HF-telephone system
- three-channel transmission system
- three-color system
- three-lens optical system
- three-primary system
- three-wire system
- time-dissemination system
- time-frequency hopping system
- time-switched system
- total access communication system
- total area coverage system
- transmission system
- trichromatic system
- triple-interlace system
- triplex system
- trunk communication system
- TV-observation system
- twelve-channel transmission system
- two-arm system
- two-band system
- two-color system
- two-roller transfer system
- two-step control system
- two-way CATV system
- two-way system
- two-wire telephone communication system
- ultra-match system
- ULTRIX system
- unified radioaccess system
- unilateral-control system
- unilateral-synchronization system
- uninterruptible-power system
- Unisat system
- universal alarm system
- universal-battery system
- universal-electronic system
- universal-movable system
- Uniworks system
- vestigial-sideband system
- video editing system
- video home system
- video recording system
- videocom system
- videoteleconference system
- videotex system
- virtual studio system
- vision system
- vocoder system
- voice dialog system
- voice frequency carrier telegraph system
- voice modulation system
- voice post system
- volume control system
- waiting system
- warning system
- watch system
- watching system
- waterside facsimile communication system
- wave-propagating system
- wide-angle TV system
- Winfax Pro system
- wired broadcasting system
- wireless CCTV system
- wireless home system
- wireless infrared speaker system
- wire-radio communication system
- XY system
- zone-selective protection system
- zoning system

- abrasion-resisting alloy
- acid-resistant alloy
- addition alloy
- age-hardening alloy
- aging alloy
- air-hardening alloy
- air-melted alloy
- alkali metal alloy
- alkaline earth alloy
- alkaline earth metal-aluminum alloy
- alkali-resistant alloy
- alkali-resisting alloy
- all-alpha alloy
- all-beta alloy
- alpha alloy
- alpha iron alloy
- alpha+beta alloy
- alpha-beta alloy
- alpha-phase alloy
- alpha-titanium alloy
- aluminum alloy of iron
- aluminum alloy
- aluminum casting alloy
- aluminum piston alloy
- aluminum-base alloy
- aluminum-bearing alloy
- aluminum-copper alloy
- aluminum-copper-magnesium alloy
- aluminum-copper-magnesium-nickel alloy
- aluminum-copper-silicon alloy
- aluminum-copper-silicon-magnesium alloy
- aluminum-magnesium alloy
- aluminum-magnesium-silicon alloy
- aluminum-manganese alloy
- aluminum-manganese-magnesium alloy
- aluminum-nickel-iron alloy
- aluminum-silicon alloy
- aluminum-zinc-silicon alloy
- anticorrosion alloy
- antifriction alloy
- as-cast alloy
- austenitic alloy
- barium-aluminum alloy
- bearing alloy
- beryllium alloy of iron
- beryllium-copper alloy
- beryllium-copper-aluminum alloy
- beta alloy
- beta-phase alloy
- beta-titanium alloy
- binary alloy
- bismuth alloy
- body-centered cubic alloy
- boron-bearing alloy
- brass brazing alloy
- brazing alloy
- cadmium alloy
- cadmium-nickel alloy
- cadmium-silver alloy
- carbide-strengthened alloy
- carbon-bearing alloy
- carbon-free alloy
- cast alloy
- castable alloy
- casting alloy
- chrome alloy
- chrome-base alloy
- chrome-bearing alloy
- chrome-nickel alloy
- chromium-nickel-tungsten alloy
- chromium-rich alloy
- chromium-tantalum alloy
- chromium-titanium alloy
- chromium-tungsten-zirconium alloy
- chromium-yttrium alloy
- close-packed alloy
- cobalt alloy
- cobalt-base alloy
- cobalt-bearing alloy
- cobalt-chromium alloy
- cobalt-chromium-nickel alloy
- cobalt-chromium-tungsten-molybdenum alloy
- coinage alloy
- columbium alloy
- columbium-base alloy
- columbium-molybdenum-titanium alloy
- column's alloys
- commercial alloy
- complex alloy
- constant-modulus alloy
- constructional alloy
- controlled-expansion alloy
- copper alloy
- copper-base alloy
- copper-bearing alloy
- copper-free alloy
- copper-gold alloy
- copper-lead alloy
- copper-silver alloy
- copper-tin alloy
- copper-zinc alloy
- corrosion-resistant alloy
- corrosion-resisting alloy
- creep-resistant alloy
- cupronickel alloy
- die-casting alloy
- difficult-to-extrude alloy
- dilute alloy
- disordered alloy
- dispersion-hardened alloy
- dispersion-strengthened alloy
- ductile alloy
- duplex alloy
- electrically conductive alloy
- electrically superconducting alloy
- electrical-resistance alloy
- electrical-resistant alloy
- embrittlement-resistant alloy
- eutectic alloy
- eutectoid alloy
- extra-hard alloy
- extrahigh tensile alloy
- face-centered cubic alloy
- ferrite alloy
- ferromagnetic alloy
- ferrous alloy
- fine-grained alloy
- forging alloy
- foundry alloy
- four-component alloy
- four-part alloy
- free-cutting alloy
- free-machining alloy
- fusible alloy
- G.-P. zone alloy
- gamma-iron alloy
- gamma-phase alloy
- gold-base alloy
- graphitized alloy
- Guthrie's alloy
- hard alloy
- hard magnetic alloy
- hard superconducting alloy
- hard-facing alloy
- heat-resistant alloy
- heat-resisting alloy
- heat-sensitive alloy
- heat-treatable alloy
- heat-treated alloy
- heavy alloy
- heterogeneous alloy
- Heusler alloy
- hexagonal alloy
- high alloy
- high-carbon alloy
- high-chrome alloy
- high-cobalt alloy
- high-coercivity alloy
- high-damping alloy
- high-density alloy
- high-ductile alloy
- high-expansion alloy
- high-initial-permeability alloy
- high-melting alloy
- high-melting point alloy
- high-melting-temperature alloy
- high-nickel alloy
- high-permeability alloy
- high-resistance alloy
- high-strength alloy
- high-temperature alloy
- high-tensile alloy
- high-yield alloy
- homogeneous alloy
- homogenized alloy
- hot-strength alloy
- hypereutectic alloy
- hypereutectoid alloy
- hypoeutectic alloy
- hypoeutectoid alloy
- ignition alloy
- industrial alloy
- intermediate-strength alloy
- intermetallic alloy
- internally oxidized alloy
- iron alloy
- iron-aluminum-nickel alloy
- iron-bearing alloy
- iron-carbon alloy
- iron-chrome alloy
- iron-chromium-aluminum alloy
- iron-chromium-nickel alloy
- iron-cobalt alloy
- iron-cobalt-molybdenum alloy
- iron-cobalt-nickel alloy
- iron-cobalt-tungsten alloy
- iron-manganese alloy
- iron-nickel alloy
- iron-nickel-aluminum alloy
- iron-nickel-chromium alloy
- iron-nickel-cobalt alloy
- jet alloy
- lead alloy
- lead-antimony alloy
- lead-antimony-tin alloy
- lead-base alloy
- lead-bearing alloy
- lead-bismuth alloy
- lead-calcium alloy
- lead-tin alloy
- lean alloy
- Lichtenberg's alloy
- light alloy
- low alloy
- low-carbon alloy
- low-chrome alloy
- low-density alloy
- low-ductile alloy
- low-expansion alloy
- low-melting alloy
- low-nickel alloy
- low-permeability alloy
- low-quality alloy
- low-resistance alloy
- low-strength alloy
- low-temperature alloy
- low-tensile alloy
- low-yield alloy
- magnesium alloy
- magnesium-aluminum alloy
- magnesium-aluminum-zinc alloy
- magnesium-bearing alloy
- magnesium-manganese alloy
- magnesium-manganese-thorium alloy
- magnesium-thorium-zirconium alloy
- magnesium-zinc-zirconium alloy
- magnetic alloy
- magnetically hard alloy
- magnetically soft alloy
- master alloy
- medium alloy
- medium-carbon alloy
- medium-chrome alloy
- medium-nickel alloy
- medium-strength alloy
- memory alloy
- Mishima alloy
- molybdenum-titanium alloy
- multilayer brazing alloy
- multiphase alloy
- natural aging alloy
- nickel alloy
- nickel aluminide alloy
- nickel-base alloy
- nickel-based alloy
- nickel-cadmium alloy
- nickel-chrome-molybdenum alloy
- nickel-chromium alloy
- nickel-cobalt alloy
- nickel-copper alloy
- nickel-iron alloy
- nickel-molybdenum alloy
- nickel-molybdenum-iron alloy
- nickel-rich alloy
- nickel-silicon alloy
- noble metal alloy
- no-coolant alloy
- nonaging alloy
- noncorrosive alloy
- nonferrous metal alloy
- non-heat-treatable alloy
- nonmagnetic alloy
- nonordered alloy
- nonoxidizable alloy
- nonscaling alloy
- nonsparking alloy
- one-phase alloy
- ordered alloy
- oxidation-resistant alloy
- oxidation-resisting alloy
- palladium-silver alloy
- peritectic alloy
- peritectoid alloy
- permanent-magnet alloy
- phosphorous-copper alloy
- piston alloy
- plating alloy
- platinum alloy
- platinum-cobalt alloy
- platinum-metal alloy
- platinum-rhodium alloy
- plural-phase alloy
- polyphase alloy
- powder metallurgical alloy
- powder-brazing alloy
- precipitation hardening alloy
- preferred-orientation alloy
- preformed brazing alloy
- preliminary alloy
- process alloy
- pyrophoric alloy
- quasi-binary alloy
- quasi-eutectic alloy
- quasi-eutectoid alloy
- quaternary alloy
- quinary alloy
- random alloy
- random-orientation alloy
- rare-earth alloy
- rare-earth metal master alloy
- reduction alloy
- refractory alloy
- resistance alloy
- rich alloy
- Rose's alloy
- ruthenium-palladium alloy
- sand-cast alloy
- scale-resisting alloy
- self-fluxing brazing alloy
- semicommercial alloy
- semiconducting alloy
- shape memory alloy
- sheet alloy
- silicon alloy
- silicon-aluminum alloy
- silver brazing alloy
- single-phase alloy
- sintered alloy
- sintered hard alloy
- soft-magnetic alloy
- solder alloy
- solid solution alloy
- solution-treated alloy
- sparking alloy
- spelter-brazing alloy
- spring alloy
- stable alloy
- steam corrosion-resistant alloy
- steel alloy
- strain-hardened alloy
- structural alloy
- substitute alloy
- substitutional alloy
- superconducting alloy
- superconductive alloy
- superconductor alloy
- supercooled alloy
- superhard alloy
- superplastic alloy
- supersaturated alloy
- supersaturated substitutional alloy
- tailored alloy
- tantalum alloy of iron
- tantalum alloy
- tantalum-base alloy
- tantalum-tungsten alloy
- temperature compensation alloy
- ternary alloy
- thallium-lead alloy
- thermomagnetic alloy
- three-component alloy
- three-part alloy
- three-phase alloy
- tin-base alloy
- tin-bearing alloy
- titanium alloy
- titanium-aluminum-manganese alloy
- titanium-aluminum-molybdenum alloy
- titanium-aluminum-tin alloy
- titanium-aluminum-vanadium alloy
- titanium-base alloy
- tough alloy
- transition alloy
- tungsten alloy
- two-component alloy
- two-phase alloy
- type-metal alloy
- unsaturated alloy
- untarnishable alloy
- vacuum alloy
- vacuum annealed alloy
- vacuum-arc-refining alloy
- vacuum-induction-melting alloy
- vacuum-remelted alloy
- virgin alloy
- wear-resistant alloy
- wear-resisting alloy
- welding alloy
- Wood's alloy
- work-hardening alloy
- wrought alloy
- zinc alloy
- zinc-aluminum alloy
- zinc-base alloy
- zinc-bearing alloy
- zinc-copper alloy
- zirconium alloy of iron

- 2 1/2-dimensional machining
- 3D cavity machining
- 3D machining
- abrasive belt machining
- abrasive flow machining
- abrasive machining
- abrasive-electrochemical machining
- abrasive-waterjet machining
- adaptive controlled machining
- adaptive machining
- all-over machining
- angular machining
- anode-mechanical machining
- around-the-part machining
- associative machining
- automated machining
- automotive machining
- back end machining
- back-face machining
- balanced machining
- batch machining
- batch-lot machining
- beam machining
- bore machining
- CAM machining
- C-axis machining
- center machining
- chemical machining
- chip-type machining
- close tolerance machining
- closed loop machining
- CNC horizontal machining
- CNC machining
- CNC screw machining
- composite machining
- computer-controlled machining
- consistent machining
- constant power machining
- contact-initiated discharge machining
- contact-initiated machining
- continuous path machining
- contour machining
- contouring machining
- controlled machining
- conventional machining
- copy machining
- datum machining
- deephole machining
- diamond machining
- dual-spindle machining
- duplex machining
- duplicate machining
- edge machining
- electrical discharge machining
- electrical machining
- electrical spark machining
- electrochemical machining
- electroerosion abrasive machining
- electroerosion machining
- electrolytic abrasive machining
- electrolytic machining
- electron beam machining
- electron discharge machining
- electronic erosion machining
- electrophysical machining
- electrospark machining
- etch machining
- false machining
- fast laser machining
- feature-based machining
- final machining
- final tolerance machining
- finish machining
- finished machining
- five-axis CNC machining
- five-axis machining
- five-face machining
- five-sided machining
- fixed-axis machining
- flat abrasive machining
- flexible machining
- flow-line machining
- flowthru machining
- flush fine machining
- form-feature machining
- front-end machining
- gear machining
- generative machining
- group machining
- hard-part machining
- heavy machining
- heavy-duty machining
- high-accuracy machining
- high-definition finish machining
- high-efficiency machining
- high-production machining
- high-speed machining
- high-volume machining
- horizontal machining
- horizontal mode machining
- hot machining
- hydrodynamic machining
- inclined-plane machining
- in-cycle machining
- industrial laser machining
- in-place machining
- interference-free machining
- intol/outtol machining
- ion beam machining
- jet-assisted machining
- job shop machining
- laser machining
- laser-assisted machining
- laser-beam machining
- lathe machining
- LH machining
- light-duty machining
- lights-out machining
- magnetic abrasive machining
- manual machining
- medium-duty machining
- minimum-manned machining
- mirror image machining
- multiaccess machining
- multiaxis machining
- multicell machining
- multiface machining
- multilateral machining
- multimachine machining
- multiple machining
- multiple setup machining
- multiple surface flow-line machining
- multiple-axis machining
- multiple-cutter machining
- multiple-electrode electrical discharge machining
- multiple-pass machining
- multiple-source laser machining
- multiple-workpiece machining
- multiplunge machining
- multipurpose machining
- multistage machining
- NC machining
- NF machining
- no-handwork machining
- nonturning machining
- numerical control machining
- numerically controlled machining
- off-center machining
- one-hit machining
- one-operation machining
- one-pass machining
- one-stop machining and grinding
- on-line machining
- parabolic machining
- parallel machining
- partially manned machining
- photochemical machining
- photon beam machining
- photonic machining
- pick feed traverse machining
- plasma-arc machining
- plasma-assisted machining
- plunge machining
- point-to-point machining
- post-process machining
- precision machining
- primary machining
- prismatic machining
- radial machining
- random flexible machining
- rapid machining
- rear-end machining
- RH machining
- rotary machining
- rotary transfer machining
- rotational machining
- rough machining
- roughing machining
- screw machining
- sculpture machining
- sculptured-surface machining
- secondary machining
- semifinish machining
- semi-fourth axis machining
- semiunmanned machining
- series machining
- side machining
- simultaneous fourth-axis machining
- single setup machining
- single-cutter machining
- single-pass machining
- single-point machining
- six-face machining
- six-sided machining
- slideway machining
- solids-based machining
- spark discharge machining
- spark erosion machining
- standalone machining
- straight production machining
- strip machining
- surface intersection machining
- Swiss machining
- Swiss-style machining
- tandem machining
- tapeless machining
- tapered machining
- templet-controlled machining
- test machining
- thermochemical machining
- three-axis curve machining
- three-axis machining
- three-dimensional machining
- tombstone machining
- toolroom machining
- torque-controlled machining
- total machining
- tracer machining
- transfer machining
- transfer-line machining
- trial machining
- turned part machining
- turning machining
- two-and-half axis machining
- two-at-a-time machining
- two-pass machining
- ultrafast machining
- ultrahigh speed machining
- ultrasonic abrasive machining
- ultrasonic machining
- ultrasonically assisted machining
- unattended machining
- unattended multiple-workpiece machining
- unmanned machining overnight
- unmanned machining
- unstable machining
- untended machining
- vertical machining
- vertical mode machining
- vibroabrasive machining
- waterjet machining
- waterjet-assisted machining
- wire electric discharge machining
- wire erosion machining
- wire machining

- abrasion-resistant steel
- acid Bessemer steel
- acid electric steel
- acid open-hearth steel
- acid steel
- acid-resisting steel
- age-hardenable steel
- ageing steel
- aircraft structural steel
- air-hardened steel
- air-hardening steel
- air-melted steel
- alkaliproof steel
- alkali-resistant steel
- alloy steel
- alloy tool steel
- alloyed steel
- alphatized steel
- aluminized steel
- aluminum grain-refined steel
- aluminum steel
- aluminum-coated steel
- aluminum-nickel steel
- aluminum-stabilized steel
- anchor steel
- angle steel
- annealed steel
- anticorrosion steel
- arc-furnace steel
- armco steel
- ausaging steel
- ausforming steel
- austenitic manganese steel
- austenitic Ni-Cr stainless steel
- austenitic stainless steel
- austenitic steel
- austenitic-carbidic steel
- austenitic-intermetallic steel
- automatic steel
- automobile steel
- axle steel
- bainitically heat-treated steel
- balanced steel
- ball bearing steel
- banding steel
- bandsaw steel
- bar steel
- basic Bessemer steel
- basic converter steel
- basic open-hearth steel
- basic oxygen steel
- bearing steel
- bearing-grade steel
- beaten steel
- beryllium steel
- Bessemer steel
- blanking steel
- blister steel
- blue steel
- boiler steel
- boron steel
- bottle-top steel
- bottom-run steel
- bright drawing steel
- bright steel
- bright-drawn steel
- bright-finished steel
- bronze steel
- bulb steel
- bulb-angle steel
- burned steel
- capped steel
- carbon nitrided steel
- carbon steel
- carbon tool steel
- carbonized steel
- carbon-martensite steel
- carbon-molybdenum steel
- carbon-vacuum deoxidized steel
- carburized steel
- carburizing steel
- case-hardened steel
- case-hardening steel
- cast steel
- cemented steel
- chain steel
- chilled steel
- chisel steel
- chrome steel
- chrome-manganese steel
- chrome-molybdenum steel
- chrome-nickel steel
- chrome-nickel-alloy steel
- chrome-nickel-molibdenum steel
- chrome-plated steel
- chrome-tungsten steel
- chrome-vanadium steel
- chromium steel
- chromium tool steel
- chromium-aluminum steel
- chromium-cobalt steel
- chromium-copper steel
- chromium-manganese steel
- chromium-molibdenum steel
- chromium-nickel steel
- chromium-nickel-molybdenum steel
- chromium-silicon steel
- chromium-tungsten steel
- chromium-tungsten-vanadium steel
- chromized steel
- clad steel
- cobalt steel
- cobalt-nickel steel
- coiled steel
- cold work steel
- cold-drawn steel
- cold-heading steel
- cold-rolled steel
- columbium-stabilized steel
- commercial forging steel
- commercial quality steel
- commercial steel
- common steel
- composite steel
- compound steel
- concrete-prestressing steel
- concrete-reinforcing steel
- constructional steel
- consumable electrode vacuum-melted steel
- controlled rimming steel
- converted steel
- converter steel
- copper steel
- copper-bearing steel
- copper-chromium steel
- copperclad steel
- copper-nickel steel
- copper-plated steel
- corrosion-resistant steel
- corrosion-resisting steel
- corrugated sheet steel
- CQ steel
- creep-resisting steel
- crucible steel
- crude steel
- cutlery-type stainless steel
- cyanided steel
- damascus steel
- damask steel
- DDQ steel
- dead-hard steel
- dead-melted steel
- dead-soft steel
- deep drawing quality steel
- deep drawing steel
- deep-hardening steel
- degasified steel
- deoxidized steel
- diamond tread steel
- die steel
- direct-process steel
- dirty steel
- dopped steel
- double-reduced steel
- double-refined steel
- double-shear steel
- drawn steel
- drill steel
- duplex steel
- dynamo sheet steel
- dynamo steel
- easily deformable steel
- EDD steel
- effervescent steel
- electric furnace steel
- electric steel
- electric tool steel
- electrical furnace steel
- emergency steel
- eutectoid steel
- exotic steel
- exposed quality steel
- extra deep drawing steel
- extrafine steel
- extrahard steel
- extrahigh tensile steel
- extrasoft steel
- face-hardened steel
- fagoted steel
- fashioned steel
- fast-finishing steel
- fast-machine steel
- faulty steel
- ferrite steel
- ferritic stainless steel
- ferritic steel
- fiery steel
- figured steel
- file steel
- fine steel
- fine-grained steel
- finished steel
- first quality steel
- flange steel
- flat steel
- flat-bulb steel
- flat-rolled steel
- forge steel
- forged steel
- forging die steel
- forging steel
- free-cutting steel
- free-machining steel
- fully deoxidized steel
- fully finished steel
- galvanized steel
- gear steel
- general purpose steel
- glass-hard steel
- grade steel
- graphitic steel
- graphitizable steel
- gun barrels steel
- gun steel
- Hadfield steel
- half-hard steel
- Halvan tool steel
- hammered steel
- hard cast steel
- hard steel
- hard-chrome steel
- hardened steel
- hard-grain steel
- heat-resistant steel
- heat-treated steel
- heavily alloyed steel
- heavy-fagoted steel
- heavy-melting steel
- hexagonal steel
- high-alloy steel
- high-carbon steel
- high-chromium steel
- high-cobalt steel
- high-creep strength steel
- high-ductility steel
- high-elastic limit steel
- higher-carbon steel
- high-grade steel
- high-hardenability core steel
- high-hardenability steel
- high-manganese steel
- high-nickel steel
- high-permeability steel
- high-quality steel
- high-resistance steel
- high-speed steel
- high-strength low alloy steel
- high-strength steel
- high-sulphur steel
- high-temperature steel
- high-tensile steel
- hollow drill steel
- hot die steel
- hot-brittle steel
- hot-rolled steel
- hot-work steel
- hot-working die steel
- hot-working steel
- HSLA steel
- H-steel
- hypereutectoid steel
- hyperpearlitic steel
- hypoeutectoid steel
- hypopearlitic steel
- Indian steel
- induction furnace steel
- induction vacuum melted steel
- ingot steel
- intermediate-alloy steel
- iron-chromium stainless steel
- irreversible steel
- killed steel
- knife steel
- knife-blade steel
- lead-coated steel
- leaded steel
- lean alloy steel
- ledeburitic steel
- light gage steel
- liquid-compressed steel
- loman steel
- low earing steel
- low-alloy steel
- low-alloyed steel
- low-carbon steel
- low-ductility steel
- low-expansion steel
- low-hardenability steel
- low-hardening steel
- low-manganese steel
- low-nickel steel
- low-phosphorus steel
- low-texture steel
- machine-tool steel
- magnet steel
- mandrel steel
- manganese steel
- manganese-killed steel
- manganese-silicon steel
- maraging steel
- martempering steel
- martensitic steel
- mechanically capped steel
- medium alloy steel
- medium-carbon steel
- medium-hard steel
- medium-strength steel
- medium-temper steel
- merchant steel
- mild steel
- milling steel
- mixed steel
- molybdenum steel
- needled steel
- nickel steel
- nickel-chrome steel
- nickel-chrome-molybdenum steel
- nickel-chromium steel
- nickel-chromium-molybdenum steel
- nickel-clad steel
- nickel-molybdenum steel
- nitrided steel
- nonaging steel
- noncorrosive steel
- nondeforming steel
- nonhardening steel
- nonmagnetic steel
- nonpiping steel
- nonrustic steel
- nonshrinking steel
- nonstrain-aging steel
- normal steel
- octagon steel
- oil-hardening steel
- open-hearth steel
- open-poured steel
- ordinary steel
- oriented steel
- overblown steel
- overheated steel
- over-reduced steel
- oxidation-resisting steel
- paragon steel
- pearlitic steel
- perished steel
- permanent-magnet steel
- PH steel
- piled steel
- pipe steel
- piped steel
- plain carbon steel
- plain steel
- planished sheet steel
- planished steel
- plate steel
- plow steel
- pneumatic steel
- polished sheet steel
- polished steel
- pot steel
- powder metallurgical compacted steel
- powdered metal high-speed steel
- precipitation-hardening steel
- precision steel
- pressure vessel steel
- primary steel
- puddle steel
- puddled steel
- punching steel
- purified steel
- PV steel
- QT steel
- quality steel
- quenched-and-tempered steel
- quick-cutting steel
- quick-speed steel
- rail steel
- railway structural steel
- rapid machining steel
- rapid steel
- raw steel
- red-hard steel
- refined steel
- refining steel
- refractory steel
- reinforcing steel
- rephosphorized steel
- resilient steel
- resulphurized steel
- rimmed steel
- rimming steel
- rising steel
- rivet steel
- rolled section steel
- rolled steel
- roller-bearing steel
- rose steel
- round steel
- rustless steel
- rust-resisting steel
- saw steel
- scrap steel
- screw steel
- secondary steel
- section steel
- selenium steel
- self-hardening steel
- semideoxidized steel
- semifinished steel
- semikilled steel
- shallow-hardening steel
- shape steel
- shear steel
- shearing steel
- sheet steel
- shock-resisting steel
- Siemens-Martin steel
- silchrome steel
- silicon steel
- silicon-killed steel
- silicon-manganese steel
- silver steel
- simple steel
- skelp steel
- slowly cooled steel
- soft steel
- special steel
- special treatment steel
- spheroidized steel
- spotty steel
- spring steel
- stabilized steel
- stainless clad steel
- stainless steel
- standard steel
- stock steel
- strain-aged steel
- stress-relieved annealed steel
- strip steel
- strong steel
- structural steel
- super-corrosion-resistant stainless steel
- superduty steel
- surface-hardening steel
- surgical steel
- tap steel
- tapped-on-carbon steel
- T-bulb steel
- tee-bulb steel
- tempered steel
- tensile strength steel
- ternary steel
- thermostrengthened steel
- Thomas steel
- through-hardening steel
- titanium steel
- titanium-stabilized steel
- tool steel
- Tor steel
- transformation induced plasticity steel
- transformer steel
- treated steel
- TRIP steel
- tube steel
- tungsten steel
- turbohearth steel
- two-ply steel
- tyre steel
- ultrastrong steel
- unkilled steel
- unsound steel
- vacuum carbon deoxidized steel
- vacuum degased steel
- vacuum-cast steel
- vacuum-induction melted steel
- vacuum-remelted steel
- valve steel
- vanadium steel
- water-hardening steel
- wear-resisting alloy steel
- weathering steel
- weld steel
- weldable steel
- welding steel
- wild steel
- wire rope steel
- Wootz steel
- wrought steel

- adaptive control system
- address selection system
- addressing system
- advice-giving system
- AI planning system
- AI system
- analog computing system
- analog-digital computing system
- analysis information system
- application system
- arabic number system
- arithmetic system
- assembly system
- asymmetrical system
- atomic system
- attached processor system
- audio system
- authoring system
- automated office system
- automatic block system
- automatic checkout system
- automatic control system
- automatic search system
- automatic test system
- automatically programmed system
- automatically taught system
- autoprogrammable system
- axiomatic system
- backup system
- bad system
- bang-bang system
- base-2 system
- basic system
- batch-processing system
- binary system
- binary-coded decimal system
- binary-number system
- biquinary system
- bit-mapped system
- bit-slice system
- black-board expert system
- block parity system
- buddy system
- business system
- bus-oriented system
- bussed system
- CAD system
- call-reply system
- carrier system
- cause-controlled system
- character recognition system
- character-reading system
- chargeback system
- check sum error-detecting system
- chip-layout system
- clock system
- closed loop system
- closed system
- co-authoring system
- code recognition system
- code system
- coded-decimal system
- code-dependent system
- code-insensitive system
- code-sensitive system
- code-transparent system
- coding system
- coincident selection system
- cold system
- color-coded system
- command system
- common-bus system
- communication data system
- communications-oriented system
- complete articulated system
- computer system
- computer-aided design system
- computer-aided system
- computer-based system
- computer-based weapon system
- computerized system
- computing system
- concatenated coding system
- concealment system
- conservative system
- contention system
- continuous presence system
- control system
- controlled system
- controlling system
- coordinate system
- cordonnier system
- costrained vision system
- cross system
- crossbar switch system
- data acquisition system
- data collection system
- data exchange system
- data flow system
- data gethering system
- data handling system
- data management system
- data preparation system
- data processing system
- data reduction system
- data retrieval system
- data storage system
- data system
- data transmission system
- database management system
- database support system
- data-managed system
- decimal number system
- decimal system
- decimal numeration system
- decision support system
- decision-aided system
- decision-making system
- decision-support system
- decision-taking system
- decoding selection system
- decomposable system
- dedicated system
- degenerate system
- design library support system
- design-automation system
- design-verification system
- development support system
- development system
- digital communication system
- digital computing system
- direct-current system
- directly coupled system
- discrete system
- discrete-continuous system
- disk operating system
- display system
- distributed database management system
- distributed function system
- distributed intelligence system
- distributed parameter system
- distributed system
- distribution system
- double intermediate tape system
- down system
- drafting system
- dual system
- dual-computer system
- dual-processor system
- duodecimal number system
- duodecimal system
- duotricenary number system
- duotricenary system
- duplexed computer system
- duplex computer system
- dyadic number system
- dyadic system
- dynamic mapping system
- dynamic scene system
- dynamic support system
- electronic data processing system
- electronic sorting system
- encoding system
- equipment adapted data system
- erasing system
- error-controlled system
- error-correcting system
- error-detecting system
- executive file-control system
- executive system
- expert control system
- expert support system
- expert system
- expert-planning system
- externally pulsed system
- fail-safe system
- fail-soft system
- fan-out system
- fault-tolerant system
- feasible system
- federated system
- feed system
- feedback system
- feedforward control system
- fiche retrieval system
- file control system
- file system
- fixed-lenght record system
- fixed-point system
- fixed-radix numeration system
- floating-point system
- fluid transport system
- follow-up system
- forgiving system
- front-end system
- fuzzy expert system
- generic expert system
- geographically distributed system
- goal-seeking system
- good system
- graceful degradation system
- graphic data system
- graphics display system
- graphics system
- help system
- heterogeneous system
- hexadecimal number system
- hexadecimal system - host system
- hostless system
- host-satellite system
- human visual system
- hunting system
- hypermedia system
- imaging system
- incremental system
- independent system
- indirectly coupled system
- information storage and retrieval system
- information retrieval system
- information handling system
- information management system
- information processing system
- information system
- information-feedback system
- in-plant system
- input/output control system
- instruction system
- instrumentation management system
- integrated system
- intelligence system
- interactive control system
- interactive system
- intercommunicating system
- interlock system
- internal number system
- internal system
- Internet-enabled system
- interrupt system
- isolated system
- kernel system
- key-to-disk/tape system
- knowledge base management system
- knowledge system
- knowledge-based system
- large-scale computing system
- laser communication system
- layered control system - lexicon-driven system
- library reference system
- local-network system
- long-haul system
- lumped-parameter system
- machine tool control system
- machine-limited system
- machine-oriented programming system
- macroinstruction system
- macro system
- magnetic memory system
- magnetic recording system
- magnetic tape plotting system
- mail message system
- mail system
- mailbox system
- management information system
- man-machine system
- mapping system
- map-reading system
- mass memory system
- mass storage system
- master/slave system
- matrix memory system
- memory driver system
- memory system
- message handling system
- message system
- microcomputer system
- microfilm printing system
- midsplit system
- MIMO system
- mixed-base numbering system
- mixed-base number system
- mixed-radix numeration system
- model-based expert system
- modular system
- monitoring system
- monitor system
- mosaic system - multicomputer system
- multidimensional system
- multifrequency system
- multilevel storage system
- multiloop system
- multimaster communication system
- multimicroprocessor system
- multiple computation system
- multiple-bus system
- multiple-coincident magnetic storage system
- multiple-output control system
- multiplex system
- multiport system
- multiprocessing system
- multiprocessor system
- multiprogramming computer system
- multiprogramming system
- multisite system
- multispeaker system
- multistable system
- multitasking operating system
- multiterminal system
- multiuser computer system
- multiuser system
- multiuser operating system
- multivariable system
- multivariate system
- negative-base number representation system
- negative-base number system
- network operating system
- node-replicated system
- noncomputerized system
- nonconsistently based number system
- nondegenerate system
- number representation system
- numbering system
- number system
- numeral system
- numeration system
- numerical system
- octal number system
- octal system
- office automation system
- off-line system
- on-demand system
- one-level storage system
- one-loop system
- one-over-one address system
- on-line system
- open-ended system
- open system
- open-loop system
- operating system
- operational system
- optical memory system
- overdetermined system
- overload-hold system
- page-on-demand system
- panelboard system
- paper-tape system
- parameter-driven expert system
- pattern recognition system
- peek-a-boo system
- peripheral system
- pipeline system
- polled system
- polymorphic system
- polyphase system
- portable system
- positional representation system
- Post-production system
- priority scheduling system
- priority system
- procedural expert system
- process control system
- processor-sharing system
- production control system
- production system
- program system
- programming system
- protection system
- pulse system
- pulse-or-no-pulse system
- pulse-signal system
- punch card computer system
- pure-binary numeration system
- purposeful system
- quadruplex system
- question-answering system
- queueing system
- queue system
- radix numbering system
- radix number system
- reactive system
- reading system
- real-time expert system
- real-time operating system
- real-time system
- reasoning system
- recognition system
- recording system
- recovery system
- reduntant number system
- reduntant system
- reflected binary number system
- reflected binary system
- refreshment system
- remote-access system
- replicating system
- representation system
- request-repeat system
- rerecording system
- residue number system
- residue system
- resource-sharing system
- restorable system
- retrieval system
- retrieval-only system - robotic system
- robot system
- rule-based expert system
- rule-based system
- scalable system
- selection system
- self-adapting system
- self-adjusting system
- self-aligning system
- self-balancing system
- self-check system
- self-contained system
- self-correcting system
- self-descriptive system
- self-learning system
- self-organizing system
- self-sustained oscillation system
- self-test system
- sensor-based system
- sequential scheduling system
- sexadecimal number system
- sexadecimal system
- shared-files system
- shell expert system
- silicon-development system
- simplex system
- single-drive system
- single-inheritance system
- single-phase clock system
- single-site system
- single-user computer system
- SISO system
- skeletal expert system
- slave system
- soft-sectored disk system
- software system
- sound system
- source code control system
- source-destination system
- space-division system
- stabilizing system
- stable system
- stand-alone system
- start-stop system
- state-determined system
- stepped start-stop system
- stereo system
- stochastically disturbed system
- storage system
- stripped-down expert system
- subsplit system
- supervisor control system
- switching system
- symbolic assembly system
- syntactical system
- system explanation system
- system of logic
- system of notation
- system with delay
- system with time lag
- tabulating system
- tape data processing system
- tape drive system
- tape handling system
- tape operating system
- tape plotting system
- tape resident system
- tape-oriented system
- target system
- taught system
- telecommunictions system
- telecontrol system
- terminal system
- ternary number system
- ternary system
- test system
- testbed system
- text-to-speech system
- time-division system
- time-pattern control system
- time-shared system
- time-shared-bus system
- time-sharing system
- timing system
- total system
- translating system
- translation system
- translator writing system
- transmitting system
- tree-structured system
- trusted computer system
- two-failure mode system
- two-level return system
- two-level system
- two-phase clock system
- ultrastable system
- Unified system
- uninterruptible power system
- uniprocessor system
- unrestorable system
- unstable system
- up system
- variable-lenght record system
- virtual system
- virtual-memory operating system
- vision system
- visual system
- voice/audio processing system
- voice-response system
- volunteer system
- weighted number system
- weighted system
- writing system
- xerox copy system
- zero-one system