Home > Term: air level
air level
Eng. A level or airway (return airway) of former workings used in subsequent deeper mining operations for ventilation.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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Δημιουργός
- ed.young
- 100% positive feedback
(Milwaukee, United States)