 |
|
giration : 63 phrases in 19 subjects |
| Armored vehicles | 1 |
| Astronautics | 7 |
| Astronomy | 2 |
| Aviation | 14 |
| Construction | 2 |
| Electronics | 1 |
| Forestry | 1 |
| Hydraulic engineering | 1 |
| Mechanic engineering | 6 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Military | 1 |
| Mining | 1 |
| Nautical | 1 |
| Physics | 1 |
| Shipbuilding | 3 |
| Technology | 14 |
| Trucks/Lorries | 2 |
| World war II | 3 |