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Silicon is a chemical element with symbol Si and atomic number 14. A hard and brittle crystalline solid with a bluegray metallic luster, it is a tetravalent metalloid.
ВЕЛИЧКИН АЛЕКСАНДР ГРИГОРЬЕВИЧ: 1923 г.р., КРЫМСКАЯ обл. АЛМААТА м.р. Фирма CANGSHAN County Postal service ...
КИРИЛОВ ИВАН НИКОЛАЕВИЧ: г.р., адрес: РФ БЕЛГОРОДСКАЯ ГУБКИН ПРЕОБРАЖЕНСКАЯ д.5
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