air control: 118 phrases in 17 subjects |
Agriculture | 1 |
Automated equipment | 3 |
Automobiles | 3 |
Aviation | 5 |
Communications | 4 |
Economy | 1 |
Electronics | 2 |
Environment | 7 |
General | 7 |
Labor law | 1 |
Life sciences | 5 |
Mechanic engineering | 3 |
Meteorology | 9 |
Military | 4 |
Technology | 23 |
Transport | 38 |
United Nations | 2 |