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| система вентиляции: 94 phrases in 21 subjects |
| Automobiles | 20 |
| Aviation | 1 |
| Brewery | 1 |
| Construction | 11 |
| Electronics | 3 |
| Energy industry | 1 |
| Food industry | 4 |
| General | 4 |
| Heating | 1 |
| Hygiene | 2 |
| Medical | 5 |
| Military | 4 |
| Missiles | 1 |
| Nautical | 1 |
| Navy | 2 |
| Nuclear and fusion power | 6 |
| Rail transport | 1 |
| Shipbuilding | 12 |
| Technology | 9 |
| Thermal engineering | 3 |
| Ventilation | 2 |