Nā ngā whakamōhihia e whai ake nei i ngā rārangi pipi, ka taea noa iho te whakahoki i runga i ō rātou uaua ālumini. Kia whakaritea ai ngā uaua, ka mahi mātau ki ngā pūnaha matua hei whakamahi mo te whakapakari me te CNC machining, ko tēnā e wāwāhi ana i ngā whiwhe hiahia. Ko ngā whakawhanaketanga ā-marae katoa e hanga nei e mātau, he whakamana i te haere o ngā hāpai ara me ngā wai, he pai rawa te paunga, me te whakatika pai. Nā ngā tohu whakakorekore e whai nei i tēnei uaua ka whakapai ake anō te whakatika pai o te uaua. Ko tēnei e whakaiti haere ana i ngā pūnaha tuatahi me te whakarerekē o te whiuwhiu i runga i te wā. Mai i ngā hīrau whenua ki ngā uaua mō ngā rārangi pipi ā-pakihi, ka tautoko mātau i a koutou katoa i roto i tētahi whanui o ngā whatitiri, kaimoana me ngā whakawhanaketanga hoki. Ko te whakatakoto kromi he tētehi atu o ngā whakamahinga kaiwhakatutuki i te whiuwhiu i te whakakorekore, ā, ka whakapai anō i te pai ake o te āhua. Ki runga i ngā whakamahinga kaimoana e whai ake nei, ka tuku mātau i ngā uaua ālumini e whakarite ana i ngā taumata, ā, ka whai hua nui ki te pai me te mana whakamana.