Metal prefabricated buildings; metal prefabricated elements for building; prefabricated building components (metal); structures of metal for use as prefabricated building foundations; transportable buildings of metal; pipes of metal; tubes of metal; metal building materials

Non-metallic prefabricated buildings; non-metallic prefabricated building elements; non-metallic prefabricated building components; prefabricated relocatable buildings (non-metallic) constructed in modular units; prefabricated drainage channels of synthetic material; non-metallic transportable buildings; building materials, not of metal; rigid pipes (not of metal); non-metallic pipes for building purposes