Home > Term: back holes
back holes
In shaft sinking, raising, or drifting, the holes that are shot last.
- Kalbos dalis: noun
- Pramonės šaka / sritis: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
Kūrėjas
- ed.young
-
(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
