Ko Yuezheng e mahi ana i te whakaputa i tētahi matāmata whakahirahira, e mohiotia nei koLow density polyethylene. Ko tēnei matāmata ko ngā mokemoke itiiti rawa atu e roko ana i waenganui i a rātou. Ko ia he taiepa o te werawera, no reira he momo pākete. E hīnati ana ki te mea, ka taea e ia te whakareherehera, ka taea hoki te whakatupu anō i ngā āhua katoa. Ki te marino ake, ka tahuri anō ki te tahuri. Ko te polietilēne iti kore (LDPE) he nui tonu hoki tana rangatiratanga me tana huringa kau, nā tēnei mea, ko ia he pai tonu mo ngā mahi nui.
Ka taea te rehengae polietilene iti i whakamahi i ngā āhuatanga katoa. Nō reira, kei raro i tēnā ngā pouaka ki uta hei hīkoi i ngā kai, ngā kākahu me ērā atu mea mai i te paku ki te kainga. Nui rawa ngā pouaka nei mō tātou, nā te mea e āwhina ana i a tātou kia ea te hīkoi i ngā mea. Ko te rehengae polietilene iti hoki e whakamahi ana kia puta ai ngā wāhi, ngā taupāki me ngā kapahanga mō ngā mahi hoko, ko ngā pouaka hoki e whakatairangitia ana i tō koutou kai. He mea hoki kia whakarerekētia hei pūoro mō ngā matatika, hei whakawhitiwhiti manawa mō ngā whakahaere mate, pērā i te hoatu rongoā ki ngā tangata.
Te mealdpe low density polyethylenehe mea nui tōna kaha, ā, ka taea e ia te whai mō roa. Ko tētahi o ngā mea pai rawa o ia, ko tōna haurangi ki ngā momo pūtake me ngā kaiwhakaaro whakarerekē, e mahi ana hei whakamahinga i ngā rīpeka me ngā kāpiti plastikihana e hāngai ana ki a tātou i ngā wā e tū nei. Ko tētahi atu mea pai anō o tēnei mahi, ko tōna mana motuhake, e mahi nei i te wā e tino waimarie ki te haere, kawe, ā, me te whakaputu i a ia. Ko tēnā e whai take nui ana i ngā mahi e hiahiatia ana kia whakahokia mai i te wāhanga A ki te wāhanga B.
Engari ko te pūnaha polietilene iti i te rahau he mea iti anō hoki i ngā mea kino. Ko tētahi nui o ngā take, kāore ia i te tautohe haere tonu i te taiao. E hiahia ana tērā, i te wā e tukua ana e tātou, kia noho i ngā whenua takutai mo te wā e roa rawa, e whai take ana i ngā take e pā ana ki te mea e tukua ana. Ka mate haere tēnei i te taiao me ngā kararehe, nā te mea kāore ia i te tino waihangatia. Ki runga anō, ko te pūnaha polietilene iti i te rahau i hangaia mai i ngā momo hua kore-taeao. E hiahia ana tērā, i te wā e hangaia ai, kia whiwhi i ngā take kaiwaiwai me te whakarere ā-momotu, e mau tonu ana i ngā momo raruraru nui e pa ana ki tō tātou whenua.
Ko te hara kāwai pōhutukawa iti (LDPE) he nui ngā tūtohu tonu mō ētahi atu whenua. Kua whakamahia ki ngā wā i te whenua whakapakoko, hei hanga i ngā rīpeka korekore, ngā wāhi me ngā whakaritenga e tiakina ana te haumaru me te hau o ngā mahi. Hei tauira, i te hanga i ngā toko me ngā kāri korekore i whakamahia mo ngā mea whakamomori. Ko ngā paemahi me ngā matapaepae whakamarino i hanga i te hara kāwai pōhutukawa iti ka taea te hanga whare me ngā whare nui haere i te whenua hangai.
Ka ora anō hoki te hara kāwai pōhutukawa iti mo te whakahaere rongoā, ko tēnā te mea kaweawe i te nuinga o ngā rerekē whakatika. Ka whakamahia ki te hanga i ngā mea nui rawa, pērā i ngā toko whakawhiti wai i maranga ai ki ngā mate, me ngā rīpeka korekore i whakamahia ki te noho i ngā whakamomori IV. Nā te mea nei ka whakamahia hoki ki te hanga i ngā rautaki rongoā, pērā i ngā pipiwharauroa me ngā rautaki mōmori. E whakaatu ana ēnei tūtohu i te nui o te ahurea o te hara kāwai pōhutukawa iti i te tiaki i te oranga me te haumaru o ngā tangata.
Nui atu ngā mea e āheinga ana ki te mahi me te hāngai i te resina polietilēne iti kore. He taurangi nui tērā e āheinga nei, ko te rahi o ngā mokemoke e whai wāhi ana i te pākete. Ka nui ake ngā mokemoke, ka tūpato ake te pākete, ka nui ake hoki tōna rangatiratanga, e pai ana mo ngā mahi e huringa kau ana. Ko te tuarua he rahi o ngā kawheka haere i roto i te whiuwhiu mokemoke o te resina. Ki te nui ngā kawheka, ka nui ake te nana, ka iti ake hoki tōna waipūtanga, me utu hoki i ētahi tono.
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