Houses of metal or predominately of metal; build-for-sale houses of metal or predominately of metal; custom-build houses of metal or predominately of metal; prefabricated houses of metal or predominately of metal; residential houses, dwelling houses of metal or predominately of metal; buildings of metal or predominately of metal; metal building materials; metal components of buildings and houses

Houses of non-metal or predominately of non-metal; build-for-sale houses of non-metal or predominately of non-metal; custom-build houses of non-metal or predominately of non-metal; prefabricated houses of non-metal or predominately of non-metal; residential houses, dwelling houses of non-metal or predominately of non-metal; wooden houses; buildings of non-metal or predominately of non-metal; non-metal building materials; non-metal components of buildings and houses

Building and structural inspection services (engineering, quality assessment, and surveying services); building design services; building research services; design services; engineering design; interior design services; providing information, including online, about scientific and technological services and research and design relating thereto; research relating to design; sustainability assessment services for buildings and developments; engineering research; research and development of products; research services; benchmarking (technical testing); certification of quality or standards; quality testing; safety testing of products; scientific testing services