Hoʻohana nui ʻia ka C / Z purlin e kūkulu i nā hale kila no nā hale a i ʻole nā hale hana.ʻO ka C/Z purlin forming function e hana i ka C/Z-shaped purlin me ka mānoanoa o 0.8-3.0mm, kahi ākea lalo o 80-300mm, a me ke kiʻekiʻe o ka pūhaka o 35-80mm.ʻO ke ʻano hoʻoponopono nui ʻokoʻa piha.
Ka manawa hoʻouna: Mar-21-2022