 |
|
light signal : 129 phrases in 28 subjects |
| Armored vehicles | 1 |
| Automobiles | 13 |
| Aviation | 4 |
| Aviation medicine | 3 |
| Computers | 2 |
| Construction | 6 |
| Electronics | 9 |
| General | 1 |
| Machine tools | 1 |
| Makarov | 3 |
| Mass media | 2 |
| Mechanics | 1 |
| Military | 15 |
| Nautical | 3 |
| Non-destructive testing | 1 |
| Occupational health & safety | 2 |
| Oceanography & oceanology | 1 |
| Politics | 1 |
| Public utilities | 1 |
| Rail transport | 15 |
| Road works | 1 |
| Security systems | 1 |
| Soviet | 3 |
| Space | 4 |
| Technology | 27 |
| Telecommunications | 4 |
| Transport | 2 |
| Uncommon / rare | 2 |