petroleum-resistant lubricant

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• petroleum refining — Introduction  conversion of crude oil into useful products. History Distillation of kerosene and naphtha       The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …   Universalium

• Grease (lubricant) — Although the word grease originally described the rendered fat of animals, the term is now applied more broadly to mean a lubricant of higher initial viscosity than oil, consisting originally of a calcium, sodium or lithium soap jelly emulsified… …   Wikipedia

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• grease — greaseless, adj. greaselessness, n. greaseproof, adj. n. /grees/; v. /grees, greez/, n., v., greased, greasing. n. 1. the melted or rendered fat of animals, esp. when in a soft state. 2. fatty or oily matter in general; lubricant. 3. Also called… …   Universalium

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• Refractory metals — are a class of metals that are extraordinarily resistant to heat and wear. Refractory metals are said to be poorly resistant to oxidation and corrosion. [UFL EMA 6625: Advanced Metal Processing, Summer 2008, Lecture 09] These properties make them …   Wikipedia