He maha ngā momo putea tākai kai e whakamahia ana mō te tākai kai, ā, he āhua motuhake anō hoki ō rātou. I tēnei rā ka matapakihia e tātou ētahi mōhiotanga e whakamahia whānuitia ana mō ngā putea tākai kai hei tohutoro māu. Nā, he aha te putea tākai kai? Ko ngā putea tākai kai e kīia ana ko ngā kirihou rite ki te rau he matotoru iti iho i te 0.25 mm hei kiriata, ā, ko ngā tākai ngāwari i hangaia ki ngā kiriata kirihou e whakamahia whānuitia ana i roto i te umanga kai. He maha ngā momo putea tākai kai. He mārama, he ngāwari, he ātete pai ki te wai, he ātete ki te makuku me ngā āhuatanga ārai hau, he kaha miihini pai, he āhuatanga matū pumau, he ātete hinu, he ngāwari ki te tā ataahua, ā, ka taea te hiri wera ki roto i ngā putea. Heoi anō, ko ngā tākai ngāwari kai e whakamahia whānuitia ana he mea tito mai i ngā paparanga kiriata rerekē e rua, neke atu rānei, ka taea te wehewehe ki te paparanga o waho, te paparanga waenga me te paparanga o roto i runga i ō rātou tūranga.
He aha ngā whakaritenga mō te mahi o ia paparanga o ngā kiriata takai kai ngāwari e whakamahia whānuitia ana? Tuatahi, ko te kiriata o waho he mea tā, he ātete ki te rakuraku, he ātete hoki ki ngā pāpāho. Ko ngā rauemi e whakamahia whānuitia ana ko te OPA, PET, OPP, me ngā kiriata pania. Ko te kiriata paparanga waenga he mahi ā-pānga, he whakamarumaru mārama, me te tiaki tinana. Ko ngā rauemi e whakamahia whānuitia ana ko te BOPA, PVDC, EVOH, PVA, PEN, MXD6, VMPET, AL, me ētahi atu. Kātahi ka tae mai te kiriata o roto, he mahi ā-pānga, he hiri, me te ārai-pānga. Ko ngā rauemi e whakamahia whānuitia ana ko te CPP, PE, me ētahi atu. Hei tāpiri, ko ētahi rauemi he paparanga o waho me te paparanga waenga. Hei tauira, ka taea te whakamahi i te BOPA hei paparanga o waho mō te tā, ā, ka taea hoki te whakamahi hei paparanga waenga hei mahi i tētahi mahi ārai me te tiaki tinana.
Ko ngā āhuatanga o te kiriata takai kai ngāwari e whakamahia whānuitia ana, i te nuinga o te wā, me ātete te rauemi paparanga o waho ki te rakuraku, ki te wero, ki te tiaki i te UV, ki te mārama, ki te hinu, ki te ātete ki ngā mea rauropi, ki te wera me te makariri, ki te pakaru i te ahotea, ki te tā, ki te pumau i te wera, ki te iti o te kakara, ki te kore kakara, ki te kore paitini, ki te kanapa, ki te mārama, ki te atarangi me te maha o ngā āhuatanga; ko te rauemi paparanga waenga me ātete ki te pānga, ki te ātete ki te pēhanga, ki te wero, ki te ātete ki te makuku, ki te ātete ki te hau, ki te pupuri kakara, ki te mārama, ki te hinu, ki te ātete ki ngā mea rauropi, ki te wera me te makariri, ki te pakaru i te ahotea, ki te kaha o te whakakotahitanga taha-rua, ki te reka iti, ki te iti o te kakara, ki te kore paitini, ki te mārama, ki te ārai i te mārama me ētahi atu āhuatanga; ko te rauemi paparanga o roto, hei tāpiri atu ki ētahi āhuatanga noa me te paparanga o waho me te paparanga waenga, he āhuatanga ahurei anō hoki, me pupuri kakara, he iti te mimiti me te ārai i te mimiti. Ko te whanaketanga o nāianei o ngā putea takai kai koia ēnei:
1. Ngā pēke tākai kai i hangaia ki ngā rauemi e pai ana mō te taiao.
2. Hei whakaiti i ngā utu me te penapena rauemi, kei te angiangi haere ngā putea tākai kai.
3. Kei te whanake haere ngā putea tākai kai i te huarahi ki ngā mahi motuhake. Ka piki tonu te kaha o te mākete i ngā rauemi hiato ārai-teitei. I ngā rā kei te heke mai, ko ngā kiriata ārai-teitei me ngā painga o te tukatuka ngāwari, te kaha o te mahi ārai hāora me te kohu wai, me te roa o te oranga ka noho hei kaupapa matua mō ngā tākai kai ngāwari i roto i ngā hūperamākete i ngā rā kei te heke mai.
Wā tuku: Whiringa-ā-rangi 26-2022
