water valve: 100 phrase in 28 subjects |
Astronautics | 5 |
Automated equipment | 5 |
Automobiles | 2 |
Construction | 7 |
Drilling | 1 |
Electrical engineering | 1 |
Electronics | 12 |
Energy industry | 3 |
Engineering | 1 |
Firefighting and fire-control systems | 1 |
General | 2 |
Hydrography | 1 |
Machine tools | 1 |
Machinery and mechanisms | 1 |
Makarov | 1 |
Mechanic engineering | 2 |
Metallurgy | 3 |
Molikpaq | 2 |
Natural resourses and wildlife conservation | 1 |
Nautical | 1 |
Nuclear and fusion power | 1 |
Oil / petroleum | 3 |
Pipelines | 6 |
Production | 4 |
Refrigeration | 6 |
Shipbuilding | 1 |
Technology | 24 |
Thermal engineering | 2 |