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Whatanga Mātotoru mō ngā waka rererangi 4D
Ko te whata whare putunga wha-ara nui he mea hanga nui mai i ngā whatanga, ngā kurupae whakawhiti-iti, ngā ara-iti, ngā taputapu here whakapae, ngā kurupae whakawhiti-iti matua, ngā ara-iti matua, te hononga o ngā whatanga me te whenua, ngā waewae ka taea te whakarite, ngā tō whakamuri, ngā kupenga tiaki, ngā arawhata tiaki. Ko te rauemi matua o te whata ko te Q235/Q355, ā, ko ngā rauemi mata o te Baosteel me te Wuhan Iron and Steel he mea whiriwhiri, ā, he mea hanga mā te hurihuri matao.