 |
| |||
| test weld | |||
| шов при испытании: 7 phrases in 4 subjects |
| Drilling | 2 |
| Firefighting and fire-control systems | 1 |
| Metallurgy | 1 |
| Welding | 3 |
|
| |||
| test weld | |||
| шов при испытании: 7 phrases in 4 subjects |
| Drilling | 2 |
| Firefighting and fire-control systems | 1 |
| Metallurgy | 1 |
| Welding | 3 |