 |
| lights switch: 116 phrases in 19 subjects |
| Armored vehicles | 8 |
| Astronautics | 3 |
| Automobiles | 21 |
| Aviation | 7 |
| Cartography | 1 |
| Electrical engineering | 2 |
| Electricity | 2 |
| Electronics | 2 |
| General | 11 |
| Makarov | 7 |
| Medical | 1 |
| Metrology | 1 |
| Military | 7 |
| Nanotechnology | 3 |
| Nautical | 1 |
| Programming | 3 |
| Rail transport | 1 |
| Technology | 28 |
| Transport | 7 |