He hou te hangarau whakakikorua pukapuka ETFE F40 ko te hurihuri hurihuri i runga i nga whakaritenga a nga kaiwhakamahi rereke, kowhiria te tauira whaitake me te ararewa matotoru pai rawa atu, kia honoa ki te matrix rino i te rewa wera.Ko tona ahuatanga ko te maitai me te kirihou ka noho hei kaiao katoa, he kaha te kaha here, ka taea te whakawhanui me te whakaheke i runga i te huarahi tukutahi, kaore i te ngawari ki te tarai, ko te paparanga ararewa karekau he hononga taapiri, kaore he mirumiru, kaore he titi, he kaha te kaha o te aukati, He pai te mahi anti-permeability, he maeneene te mata me te kanapa ano he tohu, he iti te taunga waku, kaore i te ngawari ki te tauine, aha atu.