 |
| |||
| длина факела пламени | |||
| flame length: 10 phrases in 5 subjects |
| Astronautics | 1 |
| Energy industry | 2 |
| Firefighting and fire-control systems | 2 |
| Occupational health & safety | 1 |
| Technology | 4 |
|
| |||
| длина факела пламени | |||
| flame length: 10 phrases in 5 subjects |
| Astronautics | 1 |
| Energy industry | 2 |
| Firefighting and fire-control systems | 2 |
| Occupational health & safety | 1 |
| Technology | 4 |