Ngomgangatho ogqwesileyo wemveliso, kunye namandla obuchwephesha aqinileyo afana neepatenti zemodeli yokusetyenziswa kunye neepatenti zoyilo, sizisa iimveliso ezikumgangatho ophezulu kunye nezisombululo zenkqubo yemibhobho yokuhambisa amanzi ephezulu. Ngeentlobo ezahlukeneyo zeepayipi zePPR kunye nezixhobo, iivalvu zesango lePPR, iivalvu zebhola, kunye neevalvu zokumisa, izixhobo zePPR Electrofusion, iPPR Brass Union, iShawa efakwe eludongeni kunye neFaucet.

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