Manufacturing of PVC pipes

Isixokelelwano sombhobho wePVC sisebenza njengesixeko “imithambo engaphantsi komhlaba”, ukuphatha ukukhutshwa kwamanzi emvula, ilindle lasekhaya, kunye namanzi amdaka kwimizi-mveliso. Imibhobho yePVC, ekhethwayo kwihlabathi jikelele ukukhupha amanzi, ibonelela ngokusebenza okugqwesileyo kwaye ivela kwi…