Ключевые слова: abstract, aged, ancient, asrolledmetal, background, boarding, bridging, brown, checkeredplate, checkeredsheet, ci, color, construction, corrugated, corrugatedflooring, corrugatediron, covering, damaged, dark, decay, deck, decking, design, flat, floor, flutedsheet, industry, lagging, latbed, length, maintenancefloor, manufacture, metalproduction, metalroll, modelmetal, pedestriandeck, platform, production, rifledsheetiron, rollediron, rolledmetal, rolledsheet, servicegallery, slat, steel, steelplate, steelsection, steelshapes, structuraliron, structuralsteels,