Metallic building materials; metal prefabricated buildings; steel columns; steel beams; transportable buildings of metal; pipes and tubes of metal; building panels of metal; metal fittings for buildings; frames of metal for buildings; roof coverings of metal; building equipment being metallic building materials

Building materials not of metal; non-metallic prefabricated buildings; building equipment being non-metallic building materials; non-metallic transportable buildings; Timber buildings; manufactured and sawn timber; veneers; veneer wood; wall claddings and linings not of metal; non-metallic rigid pipes for buildings