Chaizvoizvo Zvikumbiro
1. Aerires of grit makamuri
2. Aerisation yeiyo yakaenzana mabheseni
3. Aeration ye chlorine tangi tangi
4. Kugutsikana kweAerobic Digesters
Chaizvoizvo paramita
Kurongedza & Kutakura



1. Aerires of grit makamuri
2. Aerisation yeiyo yakaenzana mabheseni
3. Aeration ye chlorine tangi tangi
4. Kugutsikana kweAerobic Digesters