PPR Pipe Whakatakotoranga

I. Te whakaurunga o te PPR paipa wai PPR (polypropylene copolymerized matapōkere) Ko te paipa he momo hou o te paipa kirihou pai mo te taiao, me tona parenga pāmahana teitei, parenga waikura, ora roa (neke atu i te 50…