Graphite is useful for lubricating parts of machinery which may

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• Graphite — For other uses, see Graphite (disambiguation). Graphite Graphite specimen General Category Native element mineral …   Wikipedia

• metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …   Universalium

• Stirling engine — Alpha type Stirling engine. There are two cylinders. The expansion cylinder (red) is maintained at a high temperature while the compression cylinder (blue) is cooled. The passage between the two cylinders contains the regenerator …   Wikipedia

• chemical industry — Introduction       complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives.       Although the chemical industry may be described simply as the industry that uses chemistry and… …   Universalium

• machine tool — machine tooled, adj. a power operated machine, as a lathe, used for general cutting and shaping of metal and other substances. [1860 65] * * * Stationary, power driven machine used to cut, shape, or form materials such as metal and wood. Machine… …   Universalium

• Lubricant — A lubricant is a substance introduced to reduce friction between moving surfaces. It may also have the function of transporting foreign particles and of distributing heat. The property of reducing friction is known as lubricity. A good lubricant… …   Wikipedia