Buildings of metal; Buildings, transportable, of metal; Housing being metal portable buildings; Housing being prefabricated portable metal buildings; Metal structures; Portable structures of metal; Prefabricated metal building structures; Prefabricated building components (metal); Prefabricated building elements (metal); Prefabricated houses (kits) of metal; Prefabricated houses of metal; Houses of metal

Buildings, not of metal; Buildings, transportable, not of metal; Domestic buildings made of non-metallic materials; Housing being non-metallic portable buildings; Housing being prefabricated portable non-metallic buildings; Building extensions (structures) of non-metallic materials; Non-metallic portable building structures; Non-metallic portable structures; Non-metallic structures; Prefabricated houses (kits), not of metal; Prefabricated houses (primarily non-metallic); Non-metallic houses

Framing of pictures; framing of works of art; picture framing