ʻAʻole maopopo ka puka kui.E hoʻohui i ka lāʻau triangle a me ka pahu hoʻoikaika.
ʻenehana hiʻohiʻona: ʻO ka ʻili galvanized, ʻaʻohe māwae, kahi ʻeleʻele un-galvanized, ma hope o ka palahalaha ʻana o ka mokulele adhesion me ka ʻole o nā mea like ʻole.
Mea huahana: Hana ʻia ia me ka uea Q195, a kūʻai ʻia nā mea āpau mai nā wili kila nui maʻamau, no laila ʻoi aku ka paʻa o ka maikaʻi o nā mea maka.