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действием : 306 phrases in 20 subjects |
Aerodynamics | 13 |
Airports and air traffic control | 1 |
Aviation | 44 |
Chemistry | 4 |
Communications | 11 |
Ecology | 3 |
Environment | 11 |
General | 95 |
Humorous / Jocular | 1 |
Information security and data protection | 2 |
Leather | 14 |
Logic | 2 |
Mathematics | 5 |
Metallurgy | 13 |
Meteorology | 3 |
Microsoft | 27 |
Obsolete / dated | 1 |
Physics | 1 |
Road construction | 17 |
Technology | 38 |