Kia ora koutou katoa! He aha tā mātau ako i te mīhini whakarite nei, arā he mīhini iti nui rawa atu ko te polietilēne pūmau iti (nō reira te wāhi ā-tau ki te LDPE). Nā te mīhini te noho i roto i ngā mahi o te ao kotahi. Nā tōna rango, tōna hikoikoi, me tōna pūmautanga e pai ana ki ngā momo hanga katoa. Ko te LDPE: he mīhini polietilēne āhuatika e āhei ana ki te hararei me te hikoikoi nui. E kore e kitea te kaweke i te whakawhanake. Mēnā ka whakamahia te mīhini LDPE i waenganui i ngā momo katoa, nāwai ka hangaia ngā poaka poroāheinga, ngā pūtoto kīpoto hei hoatu hoki i ngā kai tahuri me ērā atu kai. Tirohia tonu kia mōhio ake koutou i te mīhini LDPE, he aha ia, me te paunga i a ia i ō mātau mahi ā-roto!
He mea nui ake o ngā āhuatanga o te LDPE plastic kia whai hua tōna. Tuatahitia, he whakapuakina me te maha tonu ki te manaaki i ngā mea e mahi nei i te LDPE, kaore i roa rawa te rite ki te nui. Kei te pai tēnei ki te whanake i runga i ngā pūtētanga me te uara, ko tēnā te take i te pai ki te whakamahi hei whakarite i ngā mea kia tiakina i te wā o te tahutahu. He mārama anō hoki, kāore i te kore mātau ki te kite i ngā mea i roto. Ko tēnei he mea nui mo ngā mea pērā i ngā kete me ngā wāhi kia mohio ai koe i ngā mea i roto. Ko te plastic māku e maha ana (LDPE) he pai tōna mo ngā mea e whakamahi nei mā tātou i ia rangi, inaianei, pērā i ngā kete hokohoko, te whakapiri i runga i te kai, ā, hoki ko te whakapiri pūngao e tiakina ana i ngā mea whakahirahira. Kei te pai hoki te LDPE ki te whakatū maru i waenganui i te wai me ngā mea whakawhitiwhiti, no reira kei te whakamahi tonu hei wāhi mō ngā momo wai me ngā paemeha e horo tonu i te wai.
Te polietilini whakamahana iti (LDPE) ko tēnei i ahu mai he tino rauemi nui rawa, ahakoa ka kite au i roto i ētahi atu mahi e whai wāhi ana i te ao taketake. Hei tauira, kei reira tonu i ngā kete kai e hīkoi nei mātou ki te kāinga i muri i te hokohoko, i ngā wāhi whakatau kai e tiakina ana i te kai i te waewae, ā, i ngā pūmanawa e whakanuia nei. Ki runga anō, ka whakamahia te LDPE hei wāhanga mō ngā Tupperware, hei rauemi mō te hanga whare, ā, mā te ringa hoki ki ngā pūoro e whakatakoto ana i runga i ngā kopitataki. He rahi kore rawa ngā whakamahi o te plastik LDPE, ā, kaore mātou e mōhio ana i te mea ka whakamahi mātou ki te LDPE, no reira ka whai mātou iho!
Nā, kōrerotia tētahi o ngā mahi nui: te wheako plastic. Mēnā e mōhio ana tātou, ko te wheako plastic he mea nui rawa te raru mō te whenua. Nā te mea hoki, i te wa e tāpiri ai tātou i te plastic ki te kaiwhakarite, ka tae atu rātou ki ngā moana, ki ngā pātaka, rānei ki ērā wāhi e kore nei e tika ana ki a ia. Hei hoa, e hara i te mea whakarara! Ka taea te whakahokia i te plastic LDPE, e hīkina ana te tirohanga kia whakaohoohotia mai hei whakamahia anō, nā te mea kaore i tāpiri ki te kaiwhakarite. Ko te whakaaweawe he whakawhiti i te plastic kia taea te whakatūpūtia i roto i ngā mea hou. E toru ana hoki tēnei i te itinga o ngā rauemi wheako e hangaeta ai tātou. Nā te mea hoki, ka whakaiti te take mō te hanga i te plastic LDPE i runga i ētahi atu momo plastic. Ko tēnā he mea tino pai, nā te mea ka whakaiti i ngā hau whakarara i te rangi. Nō reira, me maumahara noa iho koe kia tiakina pai te whakaputu i te plastic LDPE, me whakahokia i a ia i ngā wā e taea ana. Ko tēnā e āhei ana kia ora ai ō tātou whenua.
Nā te whakamatau i te kākano LDPE, mēnā ko LDPE ka mōhio tātou kāore he wāhi tērā ki ētahi momo kākano kē. Hei tauira, ko te kākano HDPE, e hīraia ana hei high density polyethylene, nui ake te roa me te pono o tērā i te LDPE. Ko te HDPE ka whakamahia tonu mō ngā mahi pērā i ngā pūwai wai, ngā poaka mikimiki, nā tērā ko tika kia tiakina ai ngā wai. He atarau kē anō te kākano e mōhio ana hei polyvinyl chloride (PVC). Ka noho rere te PVC, ka ea tēnei ki te kuhu, ka whakamahia rawa ki te hanga āpiti me ngā kāinga kawe. Kāore i te wāhanga pai te whakahokia i te PVC, ā, ka mate haere tēnei ki te taiao. Nā tērā ko tā matou hiahia nui kia whakaaro mō te āheinga o ngā kākano, o ia momo, ki tō tātou whenua, ahakoa tēhea, me te whakamahia hoki i ngā whenua motuhake e pai ake nei i te taiao i runga i ngā momo hiranga.
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