1. Ukususwa kombala wamanzi amdaka kwizityalo zonyango lwelindle
2. Uvavanyo lokususa i-fluorination emanzini amdaka
3. Ukuguqulwa kombala wamanzi amdaka obunjineli bukamasipala
4. Ukususa imibala emanzini amdaka okuprinta nokudaya
5. Uvavanyo lokususa umbala emanzini amdaka
6. Ukususwa kwe-fluoride kuvavanyo lwamanzi amdaka
Ixesha leposi: Novemba-28-2024