 |
| concentric: 24 phrases in 16 subjects |
| Cables and cable production | 1 |
| Chess | 1 |
| Electrical engineering | 1 |
| Electronics | 3 |
| General | 2 |
| Makarov | 1 |
| Mechanic engineering | 1 |
| Metrology | 1 |
| Military | 1 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Quantum electronics | 1 |
| Sports | 1 |
| Technology | 2 |
| Transport | 4 |