Metal building materials; transportable buildings of metal; non-electric cables and wires of common metal; small items of metal hardware; pipes and tubes of metal; goods of common metal not included in other classes; frames and framework of metal for building; buildings of metal; fittings of metal for building; building panels of metal; cladding of metal for construction and building; steel buildings; brackets, structural sections and beams; joists, bearers, rafters, lintels, pergolas, roof frames

Non-metallic building materials; non-metallic rigid pipes for building; building panels not of metal; roofing not of metal; ceilings not of metal; cladding not of metal for building; constructions materials not of metal; floors not of metal; structural sections and beams; joists, bearers, rafters, lintels, pergolas, roof frames

Metal building materials and structural members; pipes and tubes of metal; structural sections and beams; joists, bearers, rafters, lintels, pergolas, roof frames

Non-metallic building materials and structural members; pipes and tubes; structural sections and beams; joists, bearers, rafters, lintels, pergolas, roof frames