carborundum disk
1Carborundum disk — a dental disk with Carborundum (silicon carbide) as the abrasive material …
2Carborundum disk mill — Краскотёрка с карборундовыми дисками …
3Liste der Erfinder — Dies ist eine Liste von Erfindern, die die Welt mit ihren Erfindungen bereichert haben. Ein Erfinder ist jemand, der ein Problem erkannt hat, es gelöst und mindestens einmal damit Erfolg gehabt hat. Er muss nicht der erste gewesen sein; eine… …
4gemstone — /jem stohn /, n. a precious or semiprecious stone that can be cut and polished for use as a gem. [bef. 1000; ME gimstone, OE gimstan. See GEM, STONE] * * * Any of various minerals prized for beauty, durability, and rarity. A few noncrystalline… …
5Optical mineralogy — A petrographic microscope, which is an optical microscope fitted with cross polarizing lenses, a conoscopic lens, and compensators (plates of anisotropic materials; gypsum plates and quartz wedges are common), for crystallographic analysis.… …
6printmaking — /print may king/, n. the art or technique of making prints, esp. as practiced in engraving, etching, drypoint, woodcut or serigraphy. [1925 30; PRINT + MAKING] * * * Art form consisting of the production of images, usually on paper but… …
7Timeline of historic inventions — The timeline of historic inventions is a chronological list of particularly important or significant technological inventions. Note: Dates for inventions are often controversial. Inventions are often invented by several inventors around the same… …
8Synthetic diamond — Synthetic diamonds of various colors grown by the high pressure high temperature technique Synthetic diamond is diamond produced in a technological process; as opposed to natural diamond, which is created in geological processes. Synthetic… …
9Crimson Dynamo — For other uses, see Dynamo (comics). Crimson Dynamo Anton Vanko as the original Crimson Dynamo. Publication information Publisher Marvel Comics …
10Silicon nitride — Preferred IUPAC name Silicon nitride …
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