kākahu kōkōwai
Ko te kākano karboni he whakamua whai take i ngā rauemi komoutuhi, e whakakotahi ana i te pai tūpato me te mana wehi o te mīhini. Ko tēnei rautaki āwhina ko ngā kākano karboni kotahi, pai, i rarangaia ki roto i tētahi kiriata wana, whakatupuria he whenua e āheinga ana i te mana pai tūpato, ahakoa iti noa te mana wehi. Ko te mahi hanga ko te whakariterite i ngā pūtake kākano karboni i runga i ngā ratonga īmene, nō reira ka whakapaihia ai te pai tūpato me ngā āhuatanga hoko. Ko te rautaki e whakaako nei i te pai raweke i ngā panoni whakawhitinga, i ngā whakawhanaunga kararehe, me ngā whakawhanangatanga meka, e pai ana hei whakamahinga mo ngā tūranga pai hoki. Ka taea te kākano karboni te whakapai i ngā hara i runga i te kawe rereke, hei hanga i ngā whakarara kitea kore, ahakoa e tirotiro ana i tana mana tuhituhi, e whakaaetia ana ngā whakamahinga pai mō ngā rohe rerekē.