Hollo Bolt
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ʻO ka mea hoʻolako hale hana ʻo Kina, ka mea hana Kina, ʻo Hollo-Bolts ICC-ES i ʻae ʻia nā kī hoʻonui - he pahu hoʻonui no nā Structural Hollow Sections (SHS/HSS)
ʻO ka Hollo-Bolt kahi mea paʻa i hoʻohana ʻia no ka hoʻopili ʻana i ke kila me nā ʻāpana hollow, e like me ka huinahā, rectangular, a i ʻole ka ʻāpana hollow structural section (HSS). Hiki ke hoʻohana ʻia no ka hana kila maʻamau kahi e loaʻa ai ke komo mai kekahi ʻaoʻao.
