fausaga uameao se fausaga e aofia ai mea uamea ma o se tasi o ituaiga fausaga fale autu. O le fausaga e masani lava ona aofia ai uʻamea uʻamea, koluma uʻamea, trusses uʻamea ma isi vaega e faia i le vaega uamea ma ipu uʻamea, ma faʻaaogaina silanization, phosphating manganese mama, fufulu ma faʻagogo, galvanizing ma isi faiga puipuia ele. O vaega poʻo vaega e masani ona fesoʻotaʻi e uelo, faʻamau poʻo rivets. Ona o lona mamafa mama ma le fausiaina faigofie, e masani ona faʻaaogaina i falegaosimea tetele, nofoaga, fale maualuluga maualuga, Alalaupapa ma isi fanua. O le fausaga uʻamea e faigofie ona ele, o le fausaga uʻamea lautele e aveese ai le ele, galvanized poʻo le vali, ma le tausiga masani.