 |
| |||
| bench cutting | |||
| bench sloping; bench working | |||
| stepping; notching | |||
| bench cutting (карьера или выемки) | |||
| bench cutting (карьера, выемки) | |||
| |||
| bench cutting; bench working | |||
| разработка уступами: 12 phrases in 4 subjects |
| Construction | 1 |
| Geology | 1 |
| Mining | 5 |
| Technology | 5 |