steel; steel alloys; alloy steel; steel bars; cold-finished steel bars; carbon steel; steel slabs; building materials made of metal; construction materials made of metal; steel rods; metal materials for construction; metals and metal alloys; iron alloys; metal bars for use in manufacture; hot-rolled steel bars; steel sheets; reinforcement mesh of metal; steel in sheet, rod, bar or billet form; steel in sheet form; metal reinforcement materials for building; reinforcement elements of metal for pre-cast concrete; reinforcement elements of metal for precast concrete; reinforcing materials of metal for building; reinforcing materials, of metal, for concrete; metal reinforcing materials for concrete; gratings of metal; drains of metal for use in the construction of basement waterproofing systems; metal drains for use in construction of basement waterproofing systems; metal drains for use in the construction of basement waterproofing systems

building materials, not of metal; construction materials, not of metal; materials, not of metal, for building; materials, not of metal, for building and construction; materials, not of metal, for construction; concrete building materials