Frameworks of metal for building; scaffolding of metal; suspended scaffolding of metal; load-bearing scaffolding of metal; façade scaffolding of metal; mobile scaffolding of metal; mobile work platforms in the nature of scaffolding of metal; beams of common metal for scaffolding; framework of metal for building; metal scaffolding boards; trestle columns of metal being materials of metal for scaffolding; work platforms being scaffolding of metal; work platforms being scaffolding towers of met...