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Operability : 149 phrases in 37 subjects |
| American usage, not spelling | 1 |
| Astronautics | 6 |
| Aviation | 4 |
| Caspian | 9 |
| Construction | 3 |
| Ecology | 1 |
| Economics | 1 |
| Energy industry | 6 |
| Gas processing plants | 3 |
| GOST | 1 |
| Law | 1 |
| Mass media | 1 |
| Mechanics | 1 |
| Metrology | 1 |
| Microelectronics | 1 |
| Military | 17 |
| Nautical | 1 |
| Nuclear and fusion power | 1 |
| Occupational health & safety | 1 |
| Oil / petroleum | 12 |
| Oil and gas | 20 |
| Oil processing plants | 1 |
| Oilfields | 1 |
| Patents | 3 |
| Quality control and standards | 1 |
| Radioengineering | 1 |
| Robotics | 1 |
| Sakhalin | 18 |
| Sakhalin A | 1 |
| Sakhalin R | 4 |
| Sakhalin S | 3 |
| Space | 6 |
| Technology | 8 |
| Telecommunications | 2 |
| Tengiz | 4 |
| Weapons of mass destruction | 2 |
| Well control | 1 |