 |
| |||
| use of water objects (Yeldar Azanbayev) | |||
| использование водных объектов: 6 phrases in 3 subjects |
| Ecology | 4 |
| Hydraulic engineering | 1 |
| Technology | 1 |
|
| |||
| use of water objects (Yeldar Azanbayev) | |||
| использование водных объектов: 6 phrases in 3 subjects |
| Ecology | 4 |
| Hydraulic engineering | 1 |
| Technology | 1 |