Home > Term: attendance signaling system
attendance signaling system
A signaling system that operates between the surface lamp room and the underground office, indicating the workers in attendance at the beginning of the shift.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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Δημιουργός
- ed.young
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(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
