polyethylene pipe water

Ngokukhawuleza kokufudukela ezidolophini kunye nokwandiswa kolwazi ngokhuseleko lokusingqongileyo, PE (i-polyethylene) imibhobho yamanzi ngokuthe ngcembe ithathe indawo yentsimbi yesintu kunye nemibhobho yePVC njengesixhobo esithandwayo sonikezelo lwamanzi, igesi,…