I te mea kei te piki haere te hiahia mō ngā kaupapa hanganga hanganga, ngā kaupapa ahumahi me ngā kaupapa whare arumoni puta noa i te ao, kua tino hira te whiriwhiri i ngā kurupae maitai hanganga mō te haumarutanga o te kaupapa, te roa o te ora, me te whai hua o te utu.Kurupae Rino ASTM A992meKurupae Rino ASTM A572Ko ngā maitai hanganga e rua o ngā momo maitai hanganga rongonui e whakamahia ana i Amerika Te Raki, ā, koinei hoki ngā mea e tino whiriwhiria ana mō te whakamahi kurupae H me te hanganga.
Wā tuku: Hōngongoi-09-2026