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solution gas : 62 phrases in 15 subjects |
| Chemistry | 1 |
| Combustion gas turbines | 11 |
| Drilling | 3 |
| Geophysics | 1 |
| Military | 1 |
| Oil / petroleum | 15 |
| Oil and gas | 14 |
| Oil and gas technology | 4 |
| Oilfields | 1 |
| Pharmacy and pharmacology | 1 |
| Production | 1 |
| Sakhalin | 3 |
| Sakhalin R | 1 |
| Technology | 3 |
| Weapons of mass destruction | 2 |