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出典:Wiktionary
white tin (uncountable)
出典:Wikipedia
出典:『Wikipedia』 (2009/05/28 15:44 UTC 版)
White tin is refined, metallic tin. It contrasts with black tin, which is unrefined tin ore (cassiterite) as extracted from the ground. The term "white tin" was historically associated with tin mining in Devon and Cornwall where it was smelted from black tin in blowing houses.
white tin