He waka hokohoko nae kaupare hei whakatutuki i te whakamahitanga opepe ake o te nae kaupare, he rūri nui me te raru. Nōhia ngā kaiwhakarato i roto i ngā hua e āhei ana ki te whakatakoto i te kaha o te whakapērangi o te nae kaupare, pēnei i ngā tītaha inox riro noa iho rānei, ko ngā poari whakarite. E ai ki ngā waka nei, e āhei ana ki ngā mōhiotanga haumaru, hei tā; ngā puaka whatu moemoeā, ngā rākau whakamatau pūngao, me ngā whakahaere pai huringa hei whakahaere i ngā momo pūngao matua e taea ana. Me whakaae anō hoki ngā waka hokohoko nae kaupare ki ngā ture haumaru me ngā ture taiao kē. Ko tō rātou whakatutukitanga pai me ngā whiuwhiu haumaru he mea nui ki te whakatutuki i te whakamahere i te nae kaupare ki ngā whenua pūnaha, pēnei i ngā pūnaha whatu, whakawhiti wai, me te hanga rūri.