He waka whakatōpū rīwai āluminihā, he kōrero mō ngā waka e hangaia hei whakamahere i ngā wai mō ētahi atu he tawhainga iti ki tētahi tawhainga tuarua. Ko te whakamahi i te āluminihā hei hanga i te pūpuke ka taea te hua nui, ina whakangungu i te mana o te waka, ka whakapai anō i te āheinga o te waka me te whakaiti i te kakomiti. Ko te āhua whakauru o te āluminihā i runga i tana whenua i te korekorenga, ka tiakina i te oranga o te pūpuke me te haumanu o te rīwai i whakatipu ai, ahakoa he rīwai, he purengi rānei, he mea hokihoki. Kua whakaritea ngā waka nei i ngā hoko whakahirahira, pērā i ngā reta whakatuku rīwai mō te tahuri pai o te rīwai, ngā whakaaetanga tūmanako mō te whakamutu me te whakatakoto, me etahi hoko tiaki mō te whakawehe i ngā pūnaha me ngā wehe. He tono nui ngā waka whakatōpū rīwai āluminihā mō ngā whenua e hiahia ana ki tētahi whakamahere haumanu me te utu iti i roto i te whakatuku rīwai.