 |
| valve action: 83 phrases in 18 subjects |
| Automated equipment | 1 |
| Combustion gas turbines | 1 |
| Construction | 2 |
| Electrical engineering | 1 |
| Energy industry | 4 |
| Firefighting and fire-control systems | 2 |
| Makarov | 12 |
| Mechanic engineering | 3 |
| Medical | 2 |
| Mining | 1 |
| Molikpaq | 1 |
| Nautical | 3 |
| Rail transport | 2 |
| Refrigeration | 3 |
| Shipbuilding | 2 |
| Technology | 38 |
| Tengiz | 1 |
| Transport | 4 |