 |
| |||
| удаление и очистка сточных вод | |||
| управление сточными водами (Yeldar Azanbayev) | |||
| waste water management: 10 phrases in 5 subjects |
| Astronautics | 3 |
| Ecology | 4 |
| Military | 1 |
| Technology | 1 |
| Trade classification | 1 |
|
| |||
| удаление и очистка сточных вод | |||
| управление сточными водами (Yeldar Azanbayev) | |||
| waste water management: 10 phrases in 5 subjects |
| Astronautics | 3 |
| Ecology | 4 |
| Military | 1 |
| Technology | 1 |
| Trade classification | 1 |