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GalvanizedcsteelZomwe zimagwiritsidwa ntchito zimagwiritsidwa ntchito pomanga nyumba. Nthawi zambirigalvanized c channelpurlins ndi zigawo zikuluzikulu za nyumba zapadenga. Zokongoletsera zapadenga zimathandizidwa ndi denga kapena makoma a nyumba ndipo denga la denga limayikidwa pamwamba pa purlins.