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Crankcase — For other uses, see Crankcase (disambiguation). De Dion Bouton engine from about 1905, in which can clearly be seen a discrete crankcase with upper and lower halves (each a casting), with the bottom half constituting both part of the main bearing … Wikipedia
Field-tube boiler — Field tube, sectioned A Field tube boiler (also known as a bayonet tube[1] ) is a form of water tube boiler where the water tubes are single ended. The tubes are closed at one end, and they contain a concentric inner tube. Flow is thus separated… … Wikipedia
Multi-jackbolt tensioner — Multi jackbolt tensioners (MJT) provide an alternative to traditional bolted joints Rather than needing to tighten one large bolt, MJTs use several smaller jackbolts to drastically reduce the torque required to attain a certain preload. MJTs… … Wikipedia
Vacuum pump — A vacuum pump is a device that removes gas molecules from a sealed volume in order to leave behind a partial vacuum. The vacuum pump was invented in 1650 by Otto von Guericke. Types Pumps can be broadly categorized according to three… … Wikipedia
Gas compressor — A gas compressor is a mechanical device that increases the pressure of a gas by reducing its volume. Compressors are similar to pumps: both increase the pressure on a fluid and both can transport the fluid through a pipe. As gases are… … Wikipedia

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