Ko te mea e kiia nei ko te "ārai hukapapa" he mea kia nui ake te pāmahana o te rauemi ātete wai i te pāmahana hukapapa o te wai (0 ℃), ā, e kore e pakaru nā te ahotea o roto i puta mai i te hukapapa o te wai. Me neke ake te pāmahana i te 0 ℃, me te kore e tautuhi i te awhe pāmahana pumau.
I roto i te poto, ko te tukanga whakamahana o te oumu ahumahi he tukanga "pūtake tuwhera me te whakawhāiti". Ko te mea e kiia nei ko te "pūtake tuwhera" e pā ana ki te whakarato i tētahi pūtake wera pumau me te pumau mō te oumu whakamahana; ko te mea e kiia nei ko te "whakawhāiti" e pā ana ki te whakaiti i te ngaronga o te kaha wera. I te wā e hangaia ana ngā oumu me ngā oumu nui, nā te nui o te tinana oumu me te roa o te wā hanga, ina iti iho te pāmahana i te 0 ℃, me mahi he whakamahana wera e tika ana mō te tinana oumu kia kore ai e pakaru te rauemi ātete wai i te hukapapa wai me te whakawhānui.
He rite te whakamahana o te tinana oumu ki te whakamaroke oumu. Mō te whakamaroke oumu, ka oti i ngā taputapu whakamaroke oumu i te nuinga o te wā. Ka whakahaerehia te huringa pāmahana o te rauemi ātete mā te whakahaere i te nui me te pāmahana o te wera e whakaurua ana ki roto i te tinana oumu, ā, ka mahia i runga i tētahi kōpiko. Me whakamahi te taputapu oumu i te wahie matū, ā, ko te hau, te tīhiera me ētahi atu wahie te mea e pai ake ana. Ko ōna painga he ngāwari ki te whakahaere, he pumau ngā āhuatanga mahi, he haumaru, he pono hoki; kei reira anō hoki ētahi e whakamahi ana i te hiko hei whakamahana, engari he nui te utu, ā, he mōrearea haumaru. Mō ngā oumu ngāwari kāore e hiahia ki te whakahaere tika i te pāmahana, ka taea hoki te whakamahi i te rakau, te kōka me te hau. He ngāwari te whakahaere i tēnei tikanga, ā, he iti te utu.
I te putanga e whai ake nei ka haere tonu tā mātou whakauru i ngā mahi ārai huka me te whakamahana wera mō ngā oumu ahumahi.hanganga ātete-ahii te takurua.
Te wā tuku: 21-Pepuere-2023
