Articles made of common metal for use in building; Building materials of metal; Building products of metal; Building structures of metal for agricultural use; Permanent buildings of metal for agricultural purposes; Structures of metal for agricultural use; Products of metal for use in structural engineering

Articles of metal for use in the civil engineering industry; Articles of metal for use in the engineering industry; Metal materials for use in civil engineering; Metal reinforcement materials for civil engineering; Plates of metal for use in heavy engineering; Products of metal for use in structural engineering