Imibhobho yePPR vs intsimbi

Kwihlabathi jikelele lokwakhiwa kwamanzi kunye nokuphuculwa kwenkqubo yokuhambisa amanzi, PPR (copolymer random polypropylene) imibhobho nezifakelo zithatha indawo yemibhobho yentsimbi yesiqhelo ngomyinge wokukhula kwemarike ngonyaka we-17.3%.…