coated abrasive
81emery wheel — noun a wheel composed of abrasive material; used for grinding • Syn: ↑grinding wheel • Hypernyms: ↑wheel • Part Holonyms: ↑grinder * * * noun : a wheel made of consolidated emery powder or having a surface of emery and used especially for… …
82Gemstone — Jewels redirects here. For other uses, see Jewels (disambiguation). Precious Stone redirects here. For the James Bond character, see Hurricane Gold. For other uses, see Gemstone (disambiguation). A selection of gemstone pebbles made by tumbling… …
83Mica — For other uses, see Mica (disambiguation). Rock with mica …
84Zirconium — (pronEng|zɚˈkoʊniəm, IPA|/ˌzɝˈkoʊniəm/) is a chemical element with the symbol Zr and atomic number 40. It is a lustrous, gray white, strong transition metal that resembles titanium. Zirconium is used as an alloying agent due to its high… …
85Clothing — in history Clothing refers to any covering for the human body that is worn. The wearing of clothing is exclusively a human characteristic and is a feature of nearly all human societies. The amount and type of clothing worn depends on functional… …
86Calcium carbonate — Calcium carbonate …
87Compact Cassette — A TDK D C60 cassette, a common speech quality tape with a 60 minute playing time, in a housing similar to that of the original Compact Cassette specification …
88Equisetum — Horsetail redirects here. For other uses, see Horse tail (disambiguation). Equisetaceae Temporal range: Late Mesozoic [1] to Recent …
89Electrical discharge machining — An electrical discharge machine Electric discharge machining (EDM), sometimes colloquially also referred to as spark machining, spark eroding, burning, die sinking or wire erosion,[1] is a manufacturing process whereby a desired shape is obtained …
90Computer-aided manufacturing — CAD model and CNC machined part Computer aided manufacturing (CAM) is the use of computer software to control machine tools and related machinery in the manufacturing of workpieces.[1] …
