Ko ngā rauemi maitai e whakamahia ana i roto i te hanganga, te hanga mīhini, me ētahi atu mara ko te maitai āhua-H, te maitai koki, me te maitai hongere-U.

H BEAM: He maitai āhua-I me ngā mata o roto, o waho hoki e whakarara ana. Ka whakarōpūtia te maitai āhua-H ki te maitai āhua-H whānui (HW), te maitai āhua-H waenga (HM), te maitai āhua-H whaiti (HN), te maitai āhua-H angiangi (HT), me ngā pou āhua-H (HU). He kaha piko me te kaha pēhi teitei, ā, koinei te momo maitai e whakamahia whānuitia ana i roto i ngā hanganga maitai o ēnei rā.

Koki maitai, e mōhiotia ana ko te rino koki, he rauemi maitai e rua ngā taha i ngā koki tika. Ka whakarōpūtia hei maitai koki waewae-rite, hei maitai koki waewae-kore rānei. Ka tohua ngā whakatakotoranga e te roa me te matotoru o te taha, ā, ko te tau tauira e ahu mai ana i te roa i roto i ngā henimita. Ko te maitai koki waewae-rite kei waenga i te rahi 2 ki te 20, ko te maitai koki waewae-kore ia kei waenga i te rahi 3.2/2 ki te rahi 20/12.5. He hanganga māmā te maitai koki, ā, he ngāwari ki te tāuta, nā reira ka whakamahia whānuitia i roto i ngā hanganga maitai māmā, ngā tautoko taputapu, me ētahi atu tono.

maitai U-hongereHe pae rino āhua-U. Ko ōna whakatakotoranga e whakaatuhia ana i roto i ngā mirimita hei teitei o te hope (h) × whānui o te waewae (b) × matotoru o te hope (d). Hei tauira, ko te 120×53×5 e tohu ana i tētahi awaawa he 120 mm te teitei o te hope, he 53 mm te whānui o te waewae, ā, he 5 mm te matotoru o te hope, e mōhiotia ana ko te rino awaawa 12#. He pai te ātete piko o te rino awaawa, ā, he maha ngā wā e whakamahia ana mō ngā hanganga tautoko me ngā wāhi he nui te kaha ki te kawe kawenga.