 |
| static tube: 31 phrases in 15 subjects |
| Aerohydrodynamics | 8 |
| Astronautics | 3 |
| Automated equipment | 2 |
| Aviation | 2 |
| Combustion gas turbines | 1 |
| Electronics | 2 |
| Firefighting and fire-control systems | 1 |
| Hydraulic engineering | 1 |
| Hydrology | 1 |
| Military | 2 |
| Missiles | 1 |
| Nautical | 2 |
| Navigation | 1 |
| Technology | 3 |
| Transport | 1 |