Kei te wāhi katoa o ngā mīhini, he mīhini matika nui kei te hanga hei whakatūpū i ngā mahi matika nui. Ko tēnā i hanga mai i ngā momo whenu kōwhai i kitea ai i te pātengi nui me ngā whakamahi hōnore. He tauira ngā roanga whiti matika nui me ngā pūkaea matika rahi. E whakamahi ana i ēnei mīhini i roto i ngā whenua o te waka hanga me ngā whenua o te kuhaku, ka noho hei tiaki i te whakakore i ngā kākano whakamutunga, ngā kōwhai, me ngā kākano kē o mua i ngā whare whenu rahi. Nō reira, mā te whakatūpū o te mīhini matika nui, ka taea te whai wā nui i ngā tau, e pai ana i ngā mahi matika nui mo te wā e huringa nei.