passenger services: 52 phrases in 14 subjects |
Aeronautics | 1 |
Airports and air traffic control | 1 |
American usage, not spelling | 1 |
Armored vehicles | 1 |
Automobiles | 1 |
Aviation | 11 |
Economy | 11 |
Environment | 1 |
General | 7 |
Makarov | 1 |
Military | 2 |
Rail transport | 7 |
Technology | 3 |
Transport | 4 |