Aich's metal
A hamlet in Sutherland, Highland council area, Scotland (OS grid ref NC8943).
In a duplicitous, two-faced manner
A kind of gun metal, containing copper, zinc, and iron, but no tin.
To make wine from fruit.
時計職人は歯車に銅・亜鉛・鉄からなる、錫を含まない銃用青銅合金を好んで使用した。組成により動作が滑らかで摩耗に強かったからだ。
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DiQt
Free
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