ruru kāpona
He whakamahinga hangarau matū i raro i ngā mahere whanaketanga hangarau, e tuku mai ana i te kaha ki te rite me te mīharo o ngā āhuatanga, ka whakaaturia he whai wā i roto i ngā tūranga whenua rerekē. E pā ana ngā rerenga nei ki ngā hokohoko matū karboni i whakapaihia hei whakawhanake i ngā komihana whakaritorito, ka whakauruhia i raro i ngā kawehe whakahaere, ka hanga i ngā komihana porowhita, kaha, me te iti mea. Ko te mahi hanga e hāngai ana ki te tuhituhi tika o ngā kiri matū karboni, ka whakauruhia anō ki ngā hara i whakangungunui ai, ka tohua i raro i ngā wea ā-matua me ngā paetaki ā-wera. Ka whakaatu ngā rerenga nei i te kaha whakamutunga nui, te kaha pai rawa i runga i te wera, me te waewae tonu nui, ka whakamana i a rātou hei tika mō ngā taiao whenua whai hua. Ka taea te whakatika i ngā rerenga i raro i te huatau, te roa, me te tahuri kaiwhai, hei whakarite i ngā tūponotanga tūranga. Ko ō rātou āhuatanga korekore i te kōpūwai me te iti noa iho i te whanaketanga wera ka tautono i te whai wā i waenganui i ngā āhuatanga mahi. Ki roto i ngā tūranga whenua, e tū tonu ana ngā rerenga karboni i ngā tūranga whakamahi papakuia, i te hanga rara, i te mahi rarangi, i ngā mahi tuhituhi, me ngā rārangi whakamahi matua. Ko tō rātou mīharo iti noa iho ka whakahē i te kaiwhakamahi o te waihape i roto i ngā whakahaere whitiwhiti, ahakoa te tino kaha me te tino pai. Ko ngā rerenga karboni ā-rānei kei te whakauru atu i ngā tohutohu mōhiohia hei tirohia i ngā take whakahaere i rāua wā, hei whakamana i te tirotiro mua me te whakahaumanawa pai.