| |||
| инструктивный материал; учебный материал | |||
|
instruction material : 4 phrases in 3 subjects |
| Energy industry | 1 |
| Military | 2 |
| Technology | 1 |
| |||
| инструктивный материал; учебный материал | |||
|
instruction material : 4 phrases in 3 subjects |
| Energy industry | 1 |
| Military | 2 |
| Technology | 1 |