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| рудник с подземной добычей руды (Alexander Demidov) | |||
| подземная выработка | |||
| подземный рудник | |||
| рудник; шахта | |||
| underground mine: 17 phrases in 10 subjects |
| Ecology | 1 |
| General | 1 |
| Geophysics | 1 |
| Gold mining | 2 |
| Military | 3 |
| Mining | 2 |
| Oil / petroleum | 3 |
| Oil and gas | 1 |
| Oilfields | 1 |
| Technology | 2 |