| |||
| water reutilization | |||
|
reutilisation des eaux : 12 phrases in 3 subjects |
| Environment | 5 |
| Natural resourses and wildlife conservation | 4 |
| Water resources | 3 |
| |||
| water reutilization | |||
|
reutilisation des eaux : 12 phrases in 3 subjects |
| Environment | 5 |
| Natural resourses and wildlife conservation | 4 |
| Water resources | 3 |