internal grinding

  • 81coal utilization — Introduction        combustion of coal or its conversion into useful solid, gaseous, and liquid products. By far the most important use of coal is in combustion, mainly to provide heat to the boilers of electric power plants. Metallurgical coke… …

    Universalium

  • 82Direct numerical control — (DNC), also known as distributed numerical control (also DNC), is a common manufacturing term for networking CNC machine tools. On some CNC machine controllers, the available memory is too small to contain the machining program (for example… …

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  • 83EverQuest — Developer(s) Sony Online Entertainment Publisher(s) Sony Online Entertainment …

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  • 84Gunpowder — For other meanings, see gunpowder (disambiguation). Black powder for muzzleloading rifles and pistols in FFFG granulation size. Coin (diameter 24 mm) for comparison. Gunpowder, also known since in the late 19th century as black powder, was the… …

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  • 85Plough — Plow redirects here. For the Canadian soldier, see Edward Chester Plow. Plowman redirects here. For the surname, see Plowman (surname). Furrow redirects here. For other uses, see Furrow (disambiguation). For other uses, see Plough… …

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  • 86Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …

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  • 87Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …

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  • 88Industrial robot — Articulated industrial robot operating in a foundry …

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  • 89Mill — may refer to: Mill (grinding), an equipment for the grinding or pulverizing of grain and other raw materials using millstones Milling machine, metalworking machine that operates by rotating a cutting bit while the workpiece is moved against the… …

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  • 90Wrench — For other uses, see Wrench (disambiguation). A set of chrome vanadium metric wrenches, open at one end, box/ring at the other. This type is commonly known as a combination wrench. A wrench or spanner is a tool used to provide grip and mechanical… …

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