 |
| натурное испытание: 10 phrases in 7 subjects |
| Aviation | 1 |
| Chemistry | 2 |
| Electrochemistry | 1 |
| Firefighting and fire-control systems | 1 |
| Nautical | 1 |
| Shipbuilding | 3 |
| Water supply | 1 |
|
| натурное испытание: 10 phrases in 7 subjects |
| Aviation | 1 |
| Chemistry | 2 |
| Electrochemistry | 1 |
| Firefighting and fire-control systems | 1 |
| Nautical | 1 |
| Shipbuilding | 3 |
| Water supply | 1 |