 |
| |||
| curage des boues; élimination des boues; évacuation des boues | |||
| удаление осадка: 6 phrases in 4 subjects |
| Chemistry | 1 |
| Food industry | 1 |
| Natural resourses and wildlife conservation | 3 |
| Winemaking | 1 |
|
| |||
| curage des boues; élimination des boues; évacuation des boues | |||
| удаление осадка: 6 phrases in 4 subjects |
| Chemistry | 1 |
| Food industry | 1 |
| Natural resourses and wildlife conservation | 3 |
| Winemaking | 1 |