 |
| speed light: 34 phrases in 17 subjects |
| Astronautics | 3 |
| Astronomy | 1 |
| Aviation | 1 |
| Communications | 1 |
| Electronics | 2 |
| General | 4 |
| Insurance | 1 |
| Makarov | 1 |
| Mass media | 1 |
| Mathematics | 1 |
| Mechanic engineering | 1 |
| Medical appliances | 1 |
| Military | 4 |
| Nanotechnology | 1 |
| Nautical | 4 |
| Physics | 4 |
| Technology | 3 |