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cute young black haired girl with a golden necklace
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Cute Young Black Haired Girl With A Golden Necklace

Besides sliding electrical contacts, gold is also used in electrical contacts because of its resistance to corrosion, electrical conductivity, ductility and lack of toxicity. Switch contacts are generally subjected to more intense corrosion stress than are sliding contacts. Fine gold wires are used to connect semiconductor devices to their packages through a process known as wire bonding.
Commercial chemistry
Gold is attacked by and dissolves in alkaline solutions of potassium or sodium cyanide, to form the salt gold cyanide—a technique that has been used in extracting metallic gold from ores in the cyanide process. Gold cyanide is the electrolyte used in commercial electroplating of gold onto base metals and electroforming.

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Filename:393593.jpg
Album name:Babes
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Keywords:#cute #young #black #haired #girl #golden #necklace
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Date added:Jul 06, 2011
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