 |
أحواض | الصرف
| الصرف | |
| hydrol. | drenaje de las aguas de la zona de excavación |
| أحواض: 21 phrases in 8 subjects |
| Agriculture | 3 |
| Climatology | 1 |
| Fish farming pisciculture | 5 |
| Hygiene | 3 |
| Labor organization | 1 |
| Technology | 4 |
| Waste management | 2 |
| Water resources | 2 |