karu kākano whakamua i mua
Kākano whakamua i te kiriwhara, e mōhio ana ki te ingoa hōhonu prepreg fiberglass, he materiana komihana tino mīharo, kei reira ngā kiriwhara kiriwhara o te kākano i whakaaetia mai i te rānui whakahaere mea. Ko tēnei materiana matua e whakakotahi ana i te mana nui o te kiriwhara kākano me te tūtohu pono o te rānui, whakamana i te pai rawa me te mahi i roto i ia āheinga. Ko te mahi whakaputa i te hanganga ka whakahaere i te wheako o te rānui me tana whakawhiwhi i waenganui i ngā kiriwhara kākano whakangungu, whakatupu i te wā koekoea e pai ana mo te taonga me te whakaputanga i muri iho. Ko te whakapapa tino huatau o te materiana e taea ana e ia ki te whakaaturanga i te wā i muri i te wāhanga whakatakoto, ahakoa i te wāhanga whakatakoto, ka noho tonu hei whakarite i te wā whakamutu tuatahi i te wā e hiahiatia ana. I roto i ngā āheinga pakihi, ka tukuna te kiriwhara kākano whakamua i runga i ngā āhuatanga mehana, e ai ki reira te rangatiratanga tino pai o ngā āhuatanga mehana, e hītai ana te mana nui ki te rahi, te whakaū i te mata, me te whakahoki ki ngā paenga ā-wao. Ko te whakapau whenua o te materiana ka whakakore i ngā momo kē me te mamae e pā ana ki ngā mahi wet lay-up, whakapai tino i te wehi me te pai o te mahi whakaputa.