 |
| |||
| abastecimiento de agua potable | |||
| suministro de agua potable | |||
| approvisionnement en eau potable: 9 phrases in 3 subjects |
| Hygiene | 1 |
| Natural sciences | 1 |
| Water resources | 7 |
|
| |||
| abastecimiento de agua potable | |||
| suministro de agua potable | |||
| approvisionnement en eau potable: 9 phrases in 3 subjects |
| Hygiene | 1 |
| Natural sciences | 1 |
| Water resources | 7 |