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вакуум-насос : 68 phrases in 20 subjects |
| Armored vehicles | 3 |
| Aviation | 1 |
| Chemistry | 4 |
| Dentistry | 2 |
| Electronics | 1 |
| Energy industry | 3 |
| Firefighting and fire-control systems | 1 |
| Makarov | 3 |
| Mechanic engineering | 2 |
| Nautical | 2 |
| Oil / petroleum | 3 |
| Packaging | 1 |
| Public utilities | 2 |
| Refrigeration | 4 |
| Shipbuilding | 1 |
| Soviet | 2 |
| Technology | 23 |
| Thermal engineering | 2 |
| Transport | 5 |
| Weapons of mass destruction | 3 |