drill bit bearing

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• bit — Synonyms and related words: ALGOL, COBOL, EDP, FORTRAN, a breath, a continental, a curse, a damn, a darn, a hoot, ace, act, actor, aculeus, acumination, afterpiece, allotment, allowance, alphabetic data, alphanumeric code, anchor watch, angular… …   Moby Thesaurus

• Roller cone bit — A roller cone bit is a drill bit used for drilling through rock, for example when drilling for oil and gas. [cite book | last = Hyne | first = Norman J. | title = Dictionary of Petroleum Exploration, Drilling Production | publisher = PennWell… …   Wikipedia

• Bow drill — The bow drill is an ancient tool. While it was usually used to make fire, it was also used for primitive woodworking and dentistry. It consists of a bearing block or handhold , a spindle or drill , a hearth or fireboard , and a simple bow .… …   Wikipedia

• Characters of 8-Bit Theater — The events in the webcomic 8 Bit Theater center around four major characters the Light Warriors and a number of minor ones.The Light WarriorsBlack Mage, Fighter, Thief and Red Mage are the protagonists of the story, a dysfunctional group of… …   Wikipedia

• petroleum production — Introduction       recovery of crude oil and, often, associated natural gas from the Earth.        petroleum is a naturally occurring hydrocarbon material that is believed to have formed in deep sedimentary (sedimentary rock) beds from animal and …   Universalium

• Hughes Christensen — Hughes Christensen, a division of Baker Hughes Inc., is a large oil and gas drill bit company. Howard Hughes, Sr. founded the company early in the 20th century. His two cone, rolling cutter rock bit whose patent was issued by the US Patent Office …   Wikipedia

• mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

• Lathe (metal) — Center lathe with DRO and chuck guard. Size is 460 mm swing x 1000 mm between centers A metal lathe or metalworking lathe is a large class of lathes designed for precisely machining relatively hard materials. They were originally designed to… …   Wikipedia

• Drilling — For other uses, see Drilling (disambiguation). Drilling is a cutting process that uses a drill bit to cut or enlarge a hole in solid materials. The drill bit is a multipoint, end cutting tool. It cuts by applying pressure and rotation to the… …   Wikipedia

• Metalworking — Machining a bar of metal on a lathe. Metalworking is the process of working with metals to create individual parts, assemblies, or large scale structures. The term covers a wide range of work from large ships and bridges to precise engine parts… …   Wikipedia

• 2010 Copiapó mining accident — Copiapó mining accident redirects here. For the 2006 accident in the Carola Agustina mine, see 2006 Copiapó mining accident. 2010 Copiapó mining accident Rescue efforts at San José Mine near Copiapó, Chile on 10 August 2010 Date …   Wikipedia