cross-track : 46 phrases in 16 subjects |
Armored vehicles | 2 |
Astronautics | 4 |
Automobiles | 2 |
Aviation | 5 |
General | 3 |
Geophysics | 1 |
Law | 1 |
Makarov | 3 |
Military | 9 |
Nautical | 1 |
Navigation | 2 |
Rail transport | 3 |
Road construction | 1 |
Road works | 4 |
Technology | 3 |
Transport | 2 |