 |
| |||
| opencast mining Extracting metal ores and minerals that lie near the surface by removing the overlying material and breaking and loading the ore | |||
|
minerit de suprafata : 1 фраза в 1 тематике |
| Горное дело | 1 |
|
| |||
| opencast mining Extracting metal ores and minerals that lie near the surface by removing the overlying material and breaking and loading the ore | |||
|
minerit de suprafata : 1 фраза в 1 тематике |
| Горное дело | 1 |