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| well under control | |||
| свердловина: 1808 phrases in 18 subjects |
| American usage, not spelling | 2 |
| Coal | 3 |
| Construction | 11 |
| Ecology | 5 |
| Economy | 1 |
| Energy industry | 1 |
| Environment | 5 |
| Finances | 4 |
| General | 15 |
| Geology | 5 |
| Industry | 1 |
| Military | 9 |
| Mining | 14 |
| Oil / petroleum | 5 |
| Oil and gas | 1718 |
| Rude | 1 |
| Seismology | 1 |
| Technology | 7 |