O ngā oumu hiko neke atu i te 200 i tatauhia e au, tata ki te 90% i whakamahiakowiri tirangā ngongo whakamahana oumu. Mā tēnei pātai noa iho hei matapaki: he aha te nuinga o ngā oumu e whakamahi ai i ngā ngongo kowiri tira heingā whakamahana oumu?
He pono rānei, ko te āhua o te whakamahana he pai ake, ko te nui ake o te piko? He aha te nuinga o ngā oumu e whakamahi ana i ngā ngongo kowiri tira? He ngongo wera maroke te ngongo wera o te oumu, e toru ngā paparanga mai i roto ki waho: ko te waea whakamahana o roto rawa e whakamahanahia ana, ko te mea o waho rawa e ātete ana ki te pāmahana teitei, ā, he ngāwari ki te whakamahana i te mata o waho, ā, he paparanga ārai kei waenganui hei wehe i te roto me te waho.
Ko te mata o waho o te ngongo kowiri tira he kowiri tira matomato pouri i muri i te whakamahana, nō reira ka kitea pinepine e tātou ko tengongo whakamahana i roto i te oumuHe kakariki pouri, kāore i te paru, kāore hoki i te hina. Ko te mea o roto ko te waea whakamahana, ā, ko te waenganui he mea whakamahana ki te paura MgO, e whakamahanatia ana mā te whakawhiti kaha. He iti ake, he puhoi ake te whakamahana, engari he ōrite ake te peita. Heoi anō, he ātete te maitai kore waikura ki te waikura, ā, he roa te ora. Haunga te maimoatanga matomato, kei reira anō ngā ngongo whakamahana maitai kore waikura me te maimoatanga pango. I tēnei wā, ko ngā ngongo whakamahana maimoatanga matomato o Haina kei roto i te motu.
Ki te whakaritea ki ētahi atu ngongo whakamahana, ahakoa he iti te whai huatanga o te whakamahana o ngā ngongo whakamahana kowiri tira, he mārō te kakano, ka taea te tu atu ki ngā mahi tawhiti, ā, he teitei te ōritetanga o te whakamahana, he iti te rahi, engari he nui ake te wāhi e pau ana, ā, he roa te ora mahi, nō reira koinei te whiringa a te nuinga o ngā oumu.
Te wā tuku: Hurae-17-2023