control arm: 43 phrases in 15 subjects |
Armored vehicles | 1 |
Astronautics | 3 |
Automated equipment | 2 |
Automobiles | 13 |
Aviation medicine | 3 |
Clinical trial | 1 |
Economy | 2 |
General | 2 |
Makarov | 1 |
Military | 3 |
Mining | 1 |
Nautical | 2 |
Technology | 5 |
Transport | 3 |
Weapons and gunsmithing | 1 |