 |
| подземные выработки: 74 phrases in 17 subjects |
| Astronautics | 1 |
| Cement | 1 |
| Construction | 4 |
| Drilling | 1 |
| Gas processing plants | 1 |
| General | 4 |
| Geology | 2 |
| Gold mining | 3 |
| Makarov | 2 |
| Military | 12 |
| Mining | 27 |
| Oil / petroleum | 4 |
| Oil and gas | 2 |
| Oilfields | 4 |
| Scotland | 1 |
| Seismology | 1 |
| Technology | 4 |