| |||
| протокол испытаний (Yeldar Azanbayev) | |||
|
testing record : 4 phrases in 4 subjects |
| Electrical engineering | 1 |
| Energy industry | 1 |
| General | 1 |
| Quality control and standards | 1 |
| |||
| протокол испытаний (Yeldar Azanbayev) | |||
|
testing record : 4 phrases in 4 subjects |
| Electrical engineering | 1 |
| Energy industry | 1 |
| General | 1 |
| Quality control and standards | 1 |