Buildings of metal; buildings, transportable, of metal; mobile homes (portable buildings) of metal; modular portable building structures (metal); modular portable building units of metal; modular portable buildings of metal; panels for use in building and construction, including integrated steel panels with bonded structural cores

Non-metal prefabricated buildings; demountable and relocatable houses, not of metal; non-metal buildings in kit form; relocatable non-metal buildings for use in providing emergency shelter; non-metal buildings in kit form; modular houses, not of metal; modular prefabricated building units of non-metallic materials for the construction of buildings; panels for use in building and construction (consisting primarily of non-metallic materials), including panels with bonded structural cores