| |||
| технические и естественные науки (Alex_Odeychuk) | |||
|
engineering and natural sciences : 10 phrases in 5 subjects |
| Canada | 3 |
| Ecology | 1 |
| Energy industry | 1 |
| Military | 1 |
| Trade classification | 4 |
| |||
| технические и естественные науки (Alex_Odeychuk) | |||
|
engineering and natural sciences : 10 phrases in 5 subjects |
| Canada | 3 |
| Ecology | 1 |
| Energy industry | 1 |
| Military | 1 |
| Trade classification | 4 |