|
rock waste : 41 phrases in 13 subjects |
| American usage, not spelling | 1 |
| Coal | 3 |
| Construction | 2 |
| Ecology | 1 |
| Electronics | 1 |
| General | 3 |
| Geography | 1 |
| Gold mining | 9 |
| Makarov | 7 |
| Metallurgy | 1 |
| Mining | 5 |
| Oil / petroleum | 1 |
| Technology | 6 |
|
rock waste : 41 phrases in 13 subjects |
| American usage, not spelling | 1 |
| Coal | 3 |
| Construction | 2 |
| Ecology | 1 |
| Electronics | 1 |
| General | 3 |
| Geography | 1 |
| Gold mining | 9 |
| Makarov | 7 |
| Metallurgy | 1 |
| Mining | 5 |
| Oil / petroleum | 1 |
| Technology | 6 |