| |||
| проверка на месте | |||
|
check on site : 5 phrases in 3 subjects |
| Astronautics | 1 |
| Construction | 1 |
| Quality control and standards | 3 |
| |||
| проверка на месте | |||
|
check on site : 5 phrases in 3 subjects |
| Astronautics | 1 |
| Construction | 1 |
| Quality control and standards | 3 |