Nō te whakamahere hei tāngata i ngā waka karoro o te uku hao, e tirotiro ana mō te tuku i te uku hao, he rongoā me ngā āhuatanga kawe hiko e āhei ana ki te wehe i te hunga, kaore i runga i te whakahaere tika. Ko te hanga o ngā waka e whakamahi ana i ngā matū e taea ana ki te whakahē i ngā pūtake o te uku hao, pērā i ngā toto kōwhai inox rānei, ko te whakatakoto i roto i ngā polymer tika. E ai ki ngā āhuatanga nei, e whakarite ana ngā waka nei i ngā āhuatanga haumaru pērā i ngā whare rua whenua hei whakawehe i ngā pūputu, ngā pu toru hiko hei whakahaere i te hau e whakaputu ana i te whakawhiti, me ngā raraunga whakamatau pūputu. Ka kitea hoki ngā mahi whakauru wera, nā te mea ka noho waewae ki te wera te uku hao. Me whakaae ngā waka uku hao i ngā tikanga haumaru me ngā tikanga tuku moemoeā, kia tino tika te tuku i tēnei rongoā ki ngā whakamahi i roto i ngā marae pūtaiao, te horihori kākano, me te whakapai wai.