1. Ka taea e te karāwhata whakawhanui te whakapai ake i te pāmahana tukatuka o ngā rauemi ātete mura.
I roto i te whakaputanga ahumahi, ko te tikanga e whakamahia whānuitia ana ko te tāpiri i ngā ārai mura ki roto i ngā kirihou hangarau, engari nā te iti o te pāmahana pirau, ka puta tuatahi te pirau, ka hua ake te pakaru. He pumau ngā āhuatanga ā-tinana o te karāpeti whakawhanui, e kore e pā ki te kounga o ngā rauemi tukatuka, ā, ka whakapai ake i te āhuatanga ārai mura.
He aha ngā painga o te karāhe whakawhanui?
Karāhe whakawhanui
2. He iti ake te paowa e puta mai ana i te karāpeti whakawhanui, ā, he nui te pānga.
I te nuinga o te wā, ka tāpirihia ngā ārai mura halogenated hei whakakaha i te mahi a te mea ārai mura me te ārai mura, engari ka puta he paowa me te hau waikawa, ka pā ki te hauora o te tangata, ka waikura ngā taputapu o roto; ka tāpirihia hoki te hauwaiwai konganuku, engari he nui te pānga ki te ātete pānga me te kaha miihini o te kirihou, o te matrix rānei, ā, ka pā hoki ki te hauora o te tangata me te waikura i ngā taputapu o roto. Mēnā kāore te hau i te tino maeneene, ka pā kino te tāpiri i ngā ārai mura phosphorous ki te tangata. He pai te karāhe whakawhanui. He iti noa te paowa ka puta, ā, he nui te pānga ārai mura.
3. He pai te ārai wera me te ātete ki te waikura o te karāhe whakawhanui.
He rauemi ātete-waikura te karāpeti whakawhanui, ā, he tioata pumau tōna āhua. Kāore e pirau i te wā pirau me te waikura tae noa ki te pakaru nā te iti o te roa o te whakamahinga me te pumau.
Hei whakarāpopototanga, ko ngā painga o te karāpeti whakawhanui ka waiho hei rauemi whiriwhiri mō te ārai wera me te ārai mura. I te wā e whiriwhiri ana i te karāpeti whakawhanui, me whiriwhiri tātou i ngā hua karāpeti whakawhanui kounga teitei kia tutuki ai te pānga ahumahi, kaua ko te utu iti anake.
Wā tuku: Whiringa-ā-rangi 19-2021