 |
| light switch: 114 phrases in 22 subjects |
| Armored vehicles | 8 |
| Astronautics | 3 |
| Automobiles | 18 |
| Aviation | 7 |
| Cartography | 1 |
| Electrical engineering | 2 |
| Electricity | 3 |
| Electronics | 4 |
| General | 8 |
| Household appliances | 1 |
| Information technology | 1 |
| Makarov | 7 |
| Medical | 1 |
| Metrology | 1 |
| Military | 7 |
| Nanotechnology | 3 |
| Physics | 2 |
| Programming | 3 |
| Rail transport | 1 |
| Technology | 26 |
| Telecommunications | 1 |
| Transport | 6 |