установка : 505 phrases in 13 subjects |
Aerodynamics | 10 |
Airports and air traffic control | 1 |
Aviation | 37 |
Communications | 2 |
Ecology | 4 |
Environment | 14 |
Leather | 22 |
Mathematics | 1 |
Metallurgy | 183 |
Meteorology | 4 |
Microsoft | 30 |
Road construction | 42 |
Technology | 155 |