ホーム > Term: knobbing
knobbing
The act of roughdressing stone in the quarry by knocking off the projections and points.
- スピーチの一部 noun
- 産業/ドメイン 炭鉱
- カテゴリ 炭鉱全般; Mineral mining
- Government Agency: USBM
0
作成者
- ed.young
- 100% positive feedback
(Milwaukee, United States)