Izinto zombhobho: zibandakanya: (Izinto eziphathekayo kufuneka zilingane, zidibanise kwaye zidlulise i-ultrasound) Insimbi yeCarbon, insimbi engenasici, i-Cast iron, i-Ductile iron, i-Copper, i-PVC, i-Aluminium, i-Asbestos, i-Fiberglass, Ezinye izinto ze-Liner: Akukho liner, i-Tar Epoxy, Irabha, udaka, iPolypropylene, iPolystryol, iPolysty...
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