Kākau hōʻailona hōʻailona

1. Ua hoʻolakoʻia ka mea hana a iʻole ka mea lawelawe, haku a hoʻopili i nā kikowaena kikowaena astm bs bs en40 i ka hoʻolālāʻana.
2, maopopo,ʻaʻohe letang ulana,ʻaʻohe chete buite, ka paʻu me kaʻole o nā mea haumia.
3.ʻO ke kaʻina hana pweder e hoʻomoe ana i ka hanaʻana i ka paleʻana i ka paleʻana i ka paʻaʻana o ka pale ʻO ka mānoanoa o ke kiʻiʻana ma mua o 10um, andhesion ikaika.
4.ʻO ka papa kāleka Galnizing Falvanizing, ma loko o nā papa inoa o waho a me waho e 75 mau micrins ma luna o ka mālamaʻana i ka wela o ka wela.
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6.ʻO nā mea i loaʻa i nā huahana steel i waho,ʻoi aku ka pale ikaika ikaika, corrosion resistist, ke ola a hiki i nā makahiki he 50 mau makahiki