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Jig borer — The jig borer is a type of machine tool invented at the end of World War I to make possible the quick yet very precise location of hole centers. It was invented independently in the United States and Switzerland. [Moltrecht, Karl Hans: Machine… … Wikipedia
Gig mill — Gig Gig, n. [Cf. Icel. g[imac]gja fiddle, MHG. g[imac]ge, G. geige, Icel. geiga to take a wrong direction, rove at random, and E. jig.] 1. A top or whirligig; any little thing that is whirled round in play. [1913 Webster] Thou disputest like an… … The Collaborative International Dictionary of English
Milling machine — For the machine used in road construction, see Asphalt milling machine. Not to be confused with mill (grinding). Example of a bridge type CNC vertical milling center … Wikipedia
Numerical control — CNC redirects here. For other uses, see CNC (disambiguation). A CNC Turning Center … Wikipedia
Milling cutter — Milling cutters are cutting tools typically used in milling machines or machining centres (and occasionally in other machine tools). They remove material by their movement within the machine (e.g., a ball nose mill) or directly from the cutter s… … Wikipedia
Drill — For other uses, see Drill (disambiguation). Drill scheme A drill or drill motor is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for drilling holes in various materials or… … 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
List of blackface minstrel songs — This is a list of songs that either originated in blackface minstrelsy or are otherwise closely associated with that tradition. Songwriters and publication dates are given where known.A* Alabama Joe (a.k.a. Shall Trelawney Die ) (before 1855)The… … Wikipedia
Tool and die maker — Not to be confused with tap and die. Tool and die makers are workers in the manufacturing industry who make jigs, fixtures, dies, molds, machine tools, cutting tools (such as milling cutters and form tools), gauges, and other tools used in… … Wikipedia
Crusher — For other uses, see Crusher (disambiguation). A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more… … Wikipedia
Millwright — A millwright is a craftsman or tradesman engaged with the construction and maintenance of machinery. Early millwrights were specialist carpenters who erected machines used in agriculture, food processing and processing lumber and paper. In the… … Wikipedia
