|
reducing unit : 8 phrases in 5 subjects |
| Aviation | 1 |
| Energy industry | 3 |
| Makarov | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 2 |
|
reducing unit : 8 phrases in 5 subjects |
| Aviation | 1 |
| Energy industry | 3 |
| Makarov | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 2 |