 |
| isolation valve: 136 phrases in 24 subjects |
| Astronautics | 12 |
| Aviation | 2 |
| Construction | 3 |
| Electronics | 8 |
| Energy industry | 41 |
| General | 3 |
| Karachaganak | 2 |
| Makarov | 2 |
| Mechanic engineering | 1 |
| Military | 3 |
| Nuclear and fusion power | 4 |
| Nuclear physics | 1 |
| Occupational health & safety | 1 |
| Oil / petroleum | 2 |
| Oil and gas | 4 |
| Oil and gas technology | 8 |
| Oilfields | 1 |
| Production | 1 |
| Sakhalin | 3 |
| Sakhalin R | 2 |
| Technology | 28 |
| Tengiz | 1 |
| Valves | 2 |
| Weapons of mass destruction | 1 |