首页 > Term: kettleman
kettleman
In ore dressing, smelting, and refining, a person who (1) refines lead in a series of oilfired kettles, and (2) removes silver and copper from black mud in a gas-fired kettle, preparatory to the separation of gold.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
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(Milwaukee, United States)