 |
| отверстия сита: 26 phrases in 9 subjects |
| Chemistry | 1 |
| Construction | 1 |
| Food industry | 6 |
| Forestry | 1 |
| General | 1 |
| Hydraulic engineering | 2 |
| Mining | 8 |
| Natural resourses and wildlife conservation | 3 |
| Technology | 3 |
|
| отверстия сита: 26 phrases in 9 subjects |
| Chemistry | 1 |
| Construction | 1 |
| Food industry | 6 |
| Forestry | 1 |
| General | 1 |
| Hydraulic engineering | 2 |
| Mining | 8 |
| Natural resourses and wildlife conservation | 3 |
| Technology | 3 |