 |
| pneumatic valve: 82 phrases in 23 subjects |
| Astronautics | 4 |
| Automated equipment | 8 |
| Automobiles | 2 |
| Aviation | 2 |
| Construction | 2 |
| Drilling | 1 |
| Electrical engineering | 1 |
| Electronics | 3 |
| Makarov | 1 |
| Mechanic engineering | 1 |
| Mechanics | 3 |
| Metallurgy | 1 |
| Molikpaq | 2 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Production | 1 |
| Rail transport | 1 |
| Refrigeration | 1 |
| Technology | 23 |
| Thermal engineering | 1 |
| Transport | 19 |
| Weapons of mass destruction | 1 |