utu mō ngā wāhanga kari i te karbona kua rīwai
            
            Ko te utu mo ngā wāhanga waihanga karbona hāpai ko te whakararu nui ki ngā umanga motuka me te umanga rererangi, e whakaatu ana i ngā tikanga whakawhitinga matua me ngā āhuatanga rerekē o tēnei rauemi hou. Ko te hanganga utu e whakauru ana i ngā utu mō ngā rauemi kua whakaurua, ngā taputapu whakawhitinga motuhake, te mahi toa me ngā tikanga whakahaere kounga. Ko ngā utu e rerekē tino ana i runga i te pikinga o te wāhanga, te rahi, me te rahi o te whakawhitinga, mai i ngā rautau ki ngā miriona tāra mo ia wāhanga. Ko te tikanga whakawhitinga e herea ana i te aratau tika o te whakahaere pēhi me te wera, whakamahia ana ngā kapa karbona pīroiroi kua whakaurua ki te rēsina, ka whakaputua ki ngā kōpaki motuhake. E āki ai tēnei tikanga i ngā āhua pikinga ake i ngā tikanga hāpai karbona hou, i te wā e whakauru ana i te whakakaha o te pāpaku ki te pākanga. Ko te utu hoki e whakauru ana i te iti ake o te wā whakawhitinga i ngā mōhiotia hāpai karbona, ahakoa ko ngā utu tuatahi mō ngā taputapu he nui ake. Ko ngā wāhanga karbona hāpai hou e whakarato ana i ngā āhuatanga mahi pai ake, tae atu ki te whakapai ake i te kaha o te hanganga, te iti ake i te taumaha, me te whakapai ake i te āhua, e whakamana ana i te utu tiketike ki ngā whakamahinga matua.