Ko te hanga hanga maitai he mea hanga mai i te raima H te wahanga maitai hei poupou me te kurupae, he warou kurupae etahi, he mea hanga mai i te kurupae rino H hoki.Galvanized C ,Z wahanga maitai hei purlin taiepa me te purlin tuanui, Ko ona pakitara me te tuanui he mea hanga o pepa rino whakarewa, papa hanawiti ranei.Ko te tatau he tatau marumaru hiko, he kuaha tuwhera papatahi ranei.Matapihi he pvc konumohe ranei matapihi.Na te kaha o te whakamahi i te hanganga maitai, ka nui ake ona painga ki nga whare tuku iho.