I te tīmatanga o te aukati i te kirihou, he maha ngā tamariki e whakaaro ana he aha te kirihou pirau-koiora. He aha te rerekētanga i waenga i ngā kirihou pirau me ngā kirihou kore pirau? He aha tātou ka whakamahi ai i te mea pirau-koiora?hua kirihouHe aha ngā painga o ngā kirihou pirau-koiora? Me titiro tātou ki ngā taipitopito.

Ko ngā kirihou pirau e pā ana ki tētahi momo kirihou e tutuki ana i ngā whakaritenga whakamahinga, ā, kāore e rerekē te āhua i te roanga o te wā e mau ai, engari ka taea te pirau hei matū kāore e pā kino ki te taiao i raro i ngā āhuatanga taiao i muri i te whakamahinga. Nō reira, he kirihou pirau taiao.

I tēnei wā, he maha ngā momo kirihou hou: ngā kirihou pirau-koiora, ngā kirihou pirau-ataata, ngā kirihou mārama, ngā kirihou waikura/pirau-koiora, ngā kirihou pirau-koiora e ahu mai ana i te hauhā waro, ngā kirihou pirau-waikawa māngaro kirihou werawera. Ko ngā putea kirihou pirau (arā, ngā putea kirihou hoa-taiao) he mea hanga mai i ngā rauemi polymer pēnei i tePLA,PHAs,PA, PBS. Ko te putea kirihou kore-pirau tuku iho he mea hanga ki te kirihou PE.

Ngā painga o ngā kirihou pirau:
Ki te whakatauritea ki ngā kirihou "para mā" ka ngaro pea mō ngā rau tau, i raro i ngā tikanga whakawairakau, ka taea e te neke atu i te 90% o ngā moroiti te pirau i ngā hua pirau-katoa i roto i ngā rā 30, ā, ka uru ki te taiao i roto i te ahua o te hauhā me te wai. I raro i ngā tikanga kore-whakawairakau, ko te wāhanga kāore i rongoatia o ngā hua pirau-katoa o te tipu tukatuka para ka pirau haere i roto i ngā tau e 2.
Ko ngā putea kirihou pirau ka taea te pirau i roto i te tau kotahi, i te mea ko ngā putea tiaki taiao o ngā Olympicsngā awaawa kirihouka tīmata pea te pirau i roto i ngā rā 72 i muri i te whakakorenga. E 200 tau te roa o te pirau o ngā putea kirihou kāore e pirau.

E rua ngā whakamahinga matua o ngā kirihou pirau:

Ko tētahi ko te mara i whakamahia ai ngā kirihou noa i te tīmatanga. I ēnei wāhi, ko te uaua o te kohikohi i ngā hua kirihou i muri i te whakamahinga, i te kai rānei, ka pā kino ki te taiao, pērā i te kiriata kirihou ahuwhenua me ngā takai kirihou whakakorekore.
Ko te tuarua ko te wāhanga o te whakakapi i ētahi atu rauemi ki ngā kirihou. Mā te whakamahinga o ngā kirihou pirau i ēnei wāhi ka whai hua, pērā i ngā whao pōro mō ngā papa korowha me ngā rauemi whakapūmau tipu mō te whakatipu ngahere ngahere ua.

I te mea kua aro atu ngā hūpāmakete, ngā toa kai, ngā toa kai me ētahi atu wāhi ki ngā here kirihou, kua kaha te whakatairanga i te whakamahinga o ngā hua kirihou pirau-koiora, kua whakaratohia hoki ki te katoa te rerekētanga i waenga i ngā kirihou pirau me ngā kirihou kore-piro me ngā painga o ngā kirihou pirau.
I tēnei wā, kei te tūhuratia tonutia he maha ngā huarahi hei whakakapi i ngā hua kirihou.