Umbala: Mnyama
Iinkcukacha: zingenziwa ngokwezifiso
Ukusetyenziswa kwezinto ezikhethekileyo kunye neenkqubo azisombululi kuphela ingxaki ye-anti-corrosion yamacwecwe ensimbi, kodwa iphinda isombulule ukunamathela phakathi kweeplate zetsimbi kunye nezixhobo ze-PE, ukwenzela ukuba ubomi benkonzo yemibhobho bufana neyombhobho weplastiki ecocekileyo, eqinisekisiweyo ukuba iya kuba ngaphezulu kweminyaka engama-50.