Frameworks of metal; scaffolding of metal; suspended scaffolding of metal; load-bearing scaffolding of metal; façade scaffolding of metal; mobile scaffolding of metal; mobile work platforms [scaffolding] of metal; beams of common metal for scaffolding; framework of metal for building; metal scaffolding boards; trestle columns of metal; work platforms [scaffolding] of metal; work platforms [scaffolding towers] of metal; stages for musical performances composed of primarily metal materials; pl...