signal lights: 105 phrases in 23 subjects |
Armored vehicles | 1 |
Automobiles | 10 |
Aviation | 1 |
Aviation medicine | 3 |
Construction | 6 |
Electronics | 7 |
General | 2 |
Machine tools | 1 |
Makarov | 3 |
Mass media | 2 |
Mechanics | 1 |
Military | 16 |
Nautical | 3 |
Occupational health & safety | 2 |
Oceanography & oceanology | 1 |
Oil / petroleum | 1 |
Rail transport | 12 |
Road works | 1 |
Security systems | 2 |
Technology | 24 |
Telecommunications | 3 |
Transport | 2 |
Uncommon / rare | 1 |