Home > Term: bearing door
bearing door
A door so placed as to direct and regulate the amount of air current necessary for the proper ventilation of a district of a mine.
- Szófaj: noun
- Ipar/Tárgykör: Mining
- Kategória: General mining; Mineral mining
- Government Agency: USBM
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Szerzőb
- ed.young
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(Milwaukee, United States)
