홈 > Term: coal-hoisting engineer
coal-hoisting engineer
In coal mining, one who operates a hoist for raising coal to the surface where separate shafts or compartments are used for handling coal and people.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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- ed.young
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