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Fa'amatalaga o le fa'atulagaina o le uamea fa'apipi'i malosi
O le fausaga u'amea fa'apipi'i malosi o lo'o faia i le ipu u'amea masani a Saina (Q355B & Q235B) e fai ma mea fa'avae.
A maeʻa ona oomi, faia o pu, tipiina ma faʻapipiʻi, epoxy resin paʻu e faʻapalapala i le maualuga o le vevela e faʻafefe ma suia, ona faʻaogaina lea e ala i le faʻamalolo ma isi faiga.
O oloa e aofia ai: H zection fausaga uamea koluma & fa'alava, matagi resistant koluma, fusi, pa nonoa, casing paipa, Purlin ma isi.