маршрут: 68 phrases in 12 subjects |
Airports and air traffic control | 11 |
Aviation | 10 |
Chemistry | 1 |
Communications | 1 |
Environment | 3 |
Information security and data protection | 5 |
Metallurgy | 3 |
Meteorology | 4 |
Microsoft | 1 |
Navigation | 17 |
Road construction | 7 |
Technology | 5 |