 |
| |||
| V-образная трубка (anealin) | |||
| V- tube: 5 phrases in 5 subjects |
| Firefighting and fire-control systems | 1 |
| Nautical | 1 |
| Nuclear physics | 1 |
| Technology | 1 |
| Радиоактивное излучение | 1 |
|
| |||
| V-образная трубка (anealin) | |||
| V- tube: 5 phrases in 5 subjects |
| Firefighting and fire-control systems | 1 |
| Nautical | 1 |
| Nuclear physics | 1 |
| Technology | 1 |
| Радиоактивное излучение | 1 |