 |
| |||
| очистная станция (Alexander Matytsin) | |||
| planta de tratamiento: 11 phrases in 7 subjects |
| Aviation | 1 |
| Environment | 1 |
| General | 3 |
| Oil / petroleum | 1 |
| Sewage and wastewater treatment | 3 |
| United Nations | 1 |
| Water supply | 1 |
|
| |||
| очистная станция (Alexander Matytsin) | |||
| planta de tratamiento: 11 phrases in 7 subjects |
| Aviation | 1 |
| Environment | 1 |
| General | 3 |
| Oil / petroleum | 1 |
| Sewage and wastewater treatment | 3 |
| United Nations | 1 |
| Water supply | 1 |