fa'a'utalavili o le pikiina fasi uamea masani, u'amea, afifiina ma isi faiga o le faagasologa, ona o le lelei tetee corrosion, e lautele faaaogaina.Fa'aaogaina mo le gaosiga o le malulu malulu, ma e le toe fa'aogaina u'amea sapalai.Mo se faʻataʻitaʻiga: kiel uʻamea mama, koluma peach guardrail, tane vai, taʻavale tapuni faitotoa, alalaupapa ma isi oloa uʻamea.