 |
| |||
| rifornimento d'acqua | |||
| alimentazione d’acqua | |||
| подача воды: 5 phrases in 3 subjects |
| General | 1 |
| Sewage and wastewater treatment | 1 |
| Technology | 3 |
|
| |||
| rifornimento d'acqua | |||
| alimentazione d’acqua | |||
| подача воды: 5 phrases in 3 subjects |
| General | 1 |
| Sewage and wastewater treatment | 1 |
| Technology | 3 |