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| система вытяжной вентиляции: 40 phrases in 17 subjects |
| Aerohydrodynamics | 1 |
| Architecture | 2 |
| Aviation | 1 |
| Construction | 2 |
| Electronics | 1 |
| Energy industry | 13 |
| Firefighting and fire-control systems | 2 |
| General | 1 |
| Gold mining | 1 |
| Molikpaq | 1 |
| Nautical | 1 |
| Occupational health & safety | 2 |
| Shipbuilding | 2 |
| Technology | 6 |
| Tunneling | 1 |
| Ventilation | 2 |
| Weapons of mass destruction | 1 |