He maha nga tangata e patai ana mena ko teripene ripenemo te whakapai ake i te kainga he pai ki te taiao, penei mehemea he matū paitini kei roto, he formaldehyde ranei, me etahi atu.ripene ripenei tenei ra.

Ripene kakahuhe mea tito he polyethylene me te waiariki hiato whāriki hei rauemi turanga, he mea whakakikorua ki te riipene whakahiato-nui.He maha nga whakamahinga.

Ko te mea tuatahi, ko te polyethylene me te kakano nga mea taketake oriipene kakahu.Ko te polyethylene e kiia ana ko PE.He kapia thermoplastic ka whiwhi i te polymerization o te ethylene.Ko te polyethylene he kore kakara, he aukati i te pāmahana, he waikawa me te kawakore, he pai te pumau matū.Ko nga peeke kirihou e whakamahia nuitia ana, nga taupoki ipu kua hirihia mo te kihini he hua polyethylene katoa, a ka mohio te katoa ki te whariki.Ko nga miro katoa he pai ki te taiao me te kore he matū kino.He mea tino nui mo te ahumahi kakahu me te kakahu.

Muri iho, me titiro ki te kapia o teripene ripene. Ripene kakahuka whakarōpūtia ki nga awhi rewa wera me nga rapa i runga i o raatau ahuatanga whakapiri.Ko te whakapiri whakarewa wera he momo whakapiri kirihou, ka huri tona ahua tinana ki te huringa o te pāmahana i roto i tetahi awhe pāmahana, engari ka noho tonu ona ahuatanga matū, Kore he paitini me te reka, a no tetahi hua matū taiao.Ko te rapa e whakamahia ana i roto i te hanga riipene he rapa maori te tikanga, a ko te nuinga o te rapa i ahu mai i nga rakau rapa, no reira he kore-paitini, he kino hoki.