 |
| valve plug: 105 phrases in 26 subjects |
| Armored vehicles | 2 |
| Automated equipment | 2 |
| Automobiles | 2 |
| Construction | 8 |
| Drilling | 2 |
| Electrical engineering | 1 |
| Electronics | 1 |
| General | 1 |
| Makarov | 1 |
| Mechanic engineering | 4 |
| Military | 2 |
| Natural resourses and wildlife conservation | 1 |
| Nautical | 2 |
| Oil / petroleum | 9 |
| Oil and gas | 5 |
| Oil and gas technology | 3 |
| Oilfields | 9 |
| Pipelines | 2 |
| Sakhalin | 4 |
| Sakhalin R | 1 |
| Shipbuilding | 1 |
| Technology | 29 |
| Thermal engineering | 2 |
| Torpedoes | 2 |
| Transport | 5 |
| Valves | 4 |