Wastewater Treatment pipes

Ezinhlelweni zezimboni zesimanje, ukukhetha impahla yamapayipi efanele kubalulekile ekuqinisekiseni ukwethembeka, ukusebenza kahle, nokuphepha. Phakathi kwezinketho ezihlukahlukene ezitholakalayo, Amapayipi ezimboni e-HDPE asephenduke inketho ekhethwayo konjiniyela, osonkontileka,…