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...atic diagram of a typical single cylinder, simple expansion, double-acting high pressure steam engine. Power takeoff from the engine is by way of a belt.<b ...[[piston]] and the walls of the [[Cylinder (engine)|cylinder]] so that the high pressure gas above the piston does not leak past it and reduce the efficien

...il lamps. Olive oil is regarded as a healthful dietary oil because of its high content of [[monounsaturated fat]] (mainly [[Oleic acid]]) and [[polyphenol ...of free acidity. Another measure of the oil's chemical degradation is the peroxide level, which measures the degree to which the oil is oxidized ([[Rancidific

...[exothermic]] reaction of a [[fuel]] with an [[oxidizer]] creates gases of high [[temperature]] and [[pressure]], which are permitted to expand. The defini ...]]s, and in a wide variety of [[aircraft]] and [[locomotive]]s. Where very high power is required, such as [[jet aircraft]], [[helicopter]]s and large ship