diamond-dressed grinding wheel

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• Grinding wheel — Grinding wheels A grinding wheel is an expendab …   Wikipedia

• Grinding (abrasive cutting) — Sketch of how abrasive particles in a grinding wheel remove material from a workpiece. Grinding is an abrasive machining process that uses a grinding wheel as the cutting tool. A wide variety of machines are used for grinding: Hand cranked knife… …   Wikipedia

• Surface grinding — is used to produce a smooth finish on flat surfaces. It is a widely used abrasive machining process in which a spinning wheel covered in rough particles (grinding wheel) cuts chips of metallic or non metallic substance from a workpiece, making a… …   Wikipedia

• Abrasive — An abrasive is a material, often a mineral, that is used to shape or finish a workpiece through rubbing which leads to part of the workpiece being worn away. While finishing a material often means polishing it to gain a smooth, reflective surface …   Wikipedia

• Honing (metalworking) — Honing is a manufacturing process that produces a precision surface on a workpiece by scrubbing an abrasive stone against it along a controlled path. Honing is primarily used to improve the geometric form of a surface, but may also improve… …   Wikipedia

• List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …   Wikipedia

• Anthropology and Archaeology — ▪ 2009 Introduction Anthropology       Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …   Universalium

• Lesotho — /leuh sooh tooh, soh toh/, n. a monarchy in S Africa: formerly a British protectorate; gained independence 1966; member of the Commonwealth of Nations. 2,007,814; 11,716 sq. mi. (30,344 sq. km). Cap.: Maseru. Formerly, Basutoland. * * * Lesotho… …   Universalium