 |
| pressure valve: 895 phrases in 69 subjects |
| Aerohydrodynamics | 15 |
| Agriculture | 3 |
| Aluminium industry | 1 |
| Apollo-Soyuz | 9 |
| Armored vehicles | 9 |
| Artillery | 1 |
| Astronautics | 33 |
| Automated equipment | 15 |
| Automatic control | 2 |
| Automobiles | 27 |
| Aviation | 15 |
| Building structures | 1 |
| Caspian | 1 |
| Cement | 1 |
| Chromatography | 1 |
| Combustion gas turbines | 2 |
| Construction | 29 |
| Drilling | 10 |
| Electrical engineering | 5 |
| Electronics | 14 |
| Energy industry | 11 |
| Engineering | 1 |
| Engines | 1 |
| Firefighting and fire-control systems | 5 |
| General | 12 |
| GOST | 1 |
| Hydraulics | 3 |
| Hydroelectric power stations | 1 |
| Karachaganak | 5 |
| Laboratory equipment | 1 |
| Law | 1 |
| Machine components | 8 |
| Machinery and mechanisms | 14 |
| Makarov | 10 |
| Mechanic engineering | 14 |
| Mechanics | 3 |
| Medical | 5 |
| Medical appliances | 1 |
| Metallurgy | 1 |
| Military | 9 |
| Mining | 5 |
| Missiles | 1 |
| Molikpaq | 17 |
| Nautical | 6 |
| Nuclear and fusion power | 6 |
| Occupational health & safety | 10 |
| Oil / petroleum | 33 |
| Oil and gas | 31 |
| Oil and gas technology | 22 |
| Oilfields | 5 |
| Pipelines | 1 |
| Plastics | 1 |
| Production | 1 |
| Rail transport | 5 |
| Refrigeration | 19 |
| Sakhalin | 31 |
| Sakhalin R | 1 |
| Sakhalin S | 4 |
| Scuba diving | 1 |
| Shipbuilding | 5 |
| Technology | 322 |
| Tengiz | 14 |
| Textile industry | 2 |
| Thermal engineering | 9 |
| Transport | 35 |
| Valves | 4 |
| Water supply | 1 |
| Weapons of mass destruction | 1 |
| Wood processing | 1 |