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пограничний : 29 phrases in 13 subjects |
| Aerodynamics | 1 |
| Aerohydrodynamics | 1 |
| Airports and air traffic control | 2 |
| Astronautics | 7 |
| Aviation | 3 |
| Chemistry | 1 |
| Construction | 2 |
| Environment | 1 |
| Medical | 3 |
| Nautical | 2 |
| Oil and gas | 2 |
| Psychology | 1 |
| Technology | 3 |