Kei te whai ngā whakairo rāngai aluminium matua hoki me ngā whakawhitinga hangarau. Whakatūhia mō te whenua hanganga me te hanganga whare ahumahi i roto i ngā tohu 1000 - 7000, kei ngā mahi o ā tātou kaihokohoko ka kitea te mana nui me te take haere noa iho e waimarie ana ki te whakamahi i runga i ngā whakarite hanganga me ngā whakaaeae katoa. Ahakoa he mea hanga koe i tētahi whakaaturanga hou ina tonu hei whakaputa i te whakamahi ahumahi, rānei ko te hanga meubana ake i ngā whenua me ngā whakairo rangiora, e āhei ana enei rāngai ki te whakauru pūnaha me te pai rawa ki te whakatutuki i te take whakamutunga. Kei te whakakore haeretanga me te whakahoki haeretanga i te wā e iti ana, ki runga i ngā mahi me ngā momo hanganga pai, ka tiakina e kore ana ngā wā e nui ana. Ko ngā mahi pai e kore e taea ana e ngā kaiwhakahaere i tō whenua, ina tonu nei te take whakatika me ngā whakahaere whakapiki i te wehewehe. Ki te whakatipu i te whiuwhiu me ngā whakahaere ā-papa anō, ka whakawai ēnei mahi ki te whakatipu hoki i te take tuatahi.