Dau coroana
Multumesc !!~

Răspuns:
1.colector principal
2.colector secundar
3.canal de serviciu
4.statia de epurare
5.ingrasamant natural
6.apa curatata
1. colector secundar (B)
2. colector principal (A)
3. canal de serviciu (C)
4. statia de epurare (F)
5. ingrasamant natural (namoluri) (D)
6. apa curatata (E)