C/Z Purlin Roll Forming Machinehoʻohana i ka pahu pahu pahu;ʻoi aku ka paʻa o ka mīkini hana;hoʻohana ʻo ia i ka ʻāhi ma hope o ka hana ʻana e hōʻoia i ka maikaʻi o ka huahana a pale i ka deformation awa.