 |
| multiple valve: 28 phrases in 15 subjects |
| Astronomy | 1 |
| Automated equipment | 3 |
| Automobiles | 1 |
| Cardiology | 1 |
| Electronics | 1 |
| Makarov | 2 |
| Mechanic engineering | 5 |
| Metallurgy | 2 |
| Nautical | 2 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Sakhalin | 1 |
| Sakhalin R | 1 |
| Technology | 5 |