 |
| |||
| sinking | |||
| вертикальная проходка: 14 phrases in 7 subjects |
| Astronautics | 3 |
| Construction | 4 |
| Drilling | 1 |
| Makarov | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 2 |
| Oil and gas technology | 2 |
|
| |||
| sinking | |||
| вертикальная проходка: 14 phrases in 7 subjects |
| Astronautics | 3 |
| Construction | 4 |
| Drilling | 1 |
| Makarov | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 2 |
| Oil and gas technology | 2 |