I roto i to maatau oranga, ko te CPE me te PVC he nui ake te whakamahi. Ko te polyethylene maaota he rauemi polymer kukū me te ahua o te paura ma, kaore i te paitini me te kore reka, he tino pai te parenga huarere, te atete ozone, te aukati matū me te ātete tawhito. Per...
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