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Katana construction — was the labour intensive bladesmithing process developed in Japan for forging katana and other Japanese blades. Katana and wakizashi were often forged with different profiles, different blade thicknesses, and varying amounts of grind. Wakizashi… … Wikipedia
Diamond cut — This article is about diamond cut styles. For a broader discussion of decorative diamonds, see Diamond (gemstone). Part of a series on Diamonds Material … Wikipedia
optical interferometer — ▪ instrument instrument for making precise measurements for beams of light of such factors as length, surface irregularities, and index of refraction. It divides a beam of light into a number of beams that travel unequal paths and whose… … Universalium
Japanese sword — Traditional Samurai swords and fittings A Japanese sword, or nihontō (日本刀 or にほんとう, lit. Japanese sword … Wikipedia
Gemcutter — A gemcutter is a person who cuts, shapes, and polishes natural and synthetic gemstones. Among a gemcutter s work are the following activities: * Positioning rough stone in a holder, and holding the stone against the edge of a revolving saw or… … Wikipedia
Johnson Electric — Orphan|date=November 2006 Johnson Electric (德昌電機) (sehk|0179,OTCBB|JELCY) is one of the world s largest providers of motion subsystems and motion components for automotive and industrial applications. Over the years, the company has shipped… … Wikipedia

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