| |||
waste water filter (Yeldar Azanbayev) | |||
sewage screen | |||
| |||
waste water filter |
фильтр сточных вод: 13 phrases in 7 subjects |
Ecology | 1 |
Electronics | 1 |
Energy industry | 1 |
Makarov | 1 |
Natural resourses and wildlife conservation | 6 |
Public utilities | 1 |
Technology | 2 |