|
surpression : 71 phrases in 19 subjects |
| Armored vehicles | 3 |
| Astronautics | 6 |
| Automated equipment | 1 |
| Aviation | 21 |
| Chemistry | 2 |
| Construction | 3 |
| Energy system | 1 |
| Food industry | 1 |
| Hydraulic engineering | 5 |
| Mechanic engineering | 1 |
| Medical appliances | 4 |
| Meteorology | 1 |
| Oil and gas technology | 2 |
| Physics | 1 |
| Radiation | 1 |
| Technology | 12 |
| Trucks/Lorries | 4 |
| Ventilation | 1 |
| Weapons and gunsmithing | 1 |