Home > Term: permissible blasting device
permissible blasting device
Any device, other than explosives, for breaking down coal that is approved by the U.S. Mine Safety and Health Administration.
- Szófaj: noun
- Ipar/Tárgykör: Mining
- Kategória: General mining; Mineral mining
- Government Agency: USBM
0
Szerzőb
- ed.young
-
(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
