Usetyenziso oluqhelekileyo
1. Ukungena komoya kumagumbi egrit
2. I-aeration yezitya zokulinganisa
3. Ukungenisa umoya kwiitanki zoqhagamshelwano zeklorini
4. Ukuphefumla kwe-aerobic digesters
1. Ukungena komoya kumagumbi egrit
2. I-aeration yezitya zokulinganisa
3. Ukungenisa umoya kwiitanki zoqhagamshelwano zeklorini
4. Ukuphefumla kwe-aerobic digesters