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Graphite — For other uses, see Graphite (disambiguation). Graphite Graphite specimen General Category Native element mineral … Wikipedia
Magnesium — Not to be confused with Manganese. sodium ← magnesium → aluminium Be ↑ Mg ↓ Ca … Wikipedia
Belisarius series — The Belisarius Series is an epic fictional saga of heroic scope in the alternate history and military history sub genres of science fiction with its protagonist being the real historical figure, the Byzantine general, Flavius Belisarius (505… … Wikipedia
rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 … Universalium
recycling — or materials salvage Recovery and reuse of materials from consumed products. The main motives for recycling have been the increasing scarcity and cost of natural resources (including oil, gas, coal, mineral ores, and trees) and the pollution of… … Universalium

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