valve vent: 133 phrases in 37 subjects |
Aerohydrodynamics | 1 |
Apollo-Soyuz | 2 |
Astronautics | 21 |
Automated equipment | 1 |
Automobiles | 2 |
Aviation | 2 |
Caspian | 1 |
Combustion gas turbines | 3 |
Construction | 4 |
Electrical engineering | 1 |
Electronics | 5 |
Energy industry | 4 |
Energy system | 1 |
Forestry | 1 |
Gas processing plants | 1 |
General | 1 |
Hydraulic engineering | 1 |
Makarov | 1 |
Mechanic engineering | 1 |
Mechanics | 1 |
Medical | 1 |
Military | 7 |
Nautical | 7 |
Nuclear and fusion power | 4 |
Oil / petroleum | 5 |
Oil and gas | 9 |
Oil and gas technology | 3 |
Oilfields | 1 |
Plumbing | 2 |
Scuba diving | 1 |
Shipbuilding | 1 |
Solar power | 1 |
Submarines | 1 |
Technology | 29 |
Thermal engineering | 2 |
Torpedoes | 1 |
Transport | 3 |