 |
|
light panel : 66 phrases in 15 subjects |
| Air defense | 1 |
| Armored vehicles | 5 |
| Astronautics | 3 |
| Automobiles | 4 |
| Aviation | 3 |
| Construction | 2 |
| Electrical engineering | 1 |
| Electronics | 1 |
| General | 2 |
| Information technology | 4 |
| Nanotechnology | 3 |
| Nautical | 8 |
| Space | 10 |
| Technology | 18 |
| Transport | 1 |