ホーム > Term: hoist signal code
hoist signal code
Prescribed signals for indicating to the hoist operator the desired direction of travel and whether people or materials are to be hoisted or lowered in mines.
- 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
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作成者
- ed.young
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