| |||
| в обязательном порядке | |||
| без сбоев (Aleksandra007) | |||
|
without failure : 22 phrases in 7 subjects |
| Cables and cable production | 1 |
| Energy system | 11 |
| General | 3 |
| Oil and gas | 1 |
| Quality control and standards | 1 |
| Seismology | 3 |
| Technology | 2 |
| |||
| в обязательном порядке | |||
| без сбоев (Aleksandra007) | |||
|
without failure : 22 phrases in 7 subjects |
| Cables and cable production | 1 |
| Energy system | 11 |
| General | 3 |
| Oil and gas | 1 |
| Quality control and standards | 1 |
| Seismology | 3 |
| Technology | 2 |