Apparatus for water filtering; domestic water filtering apparatus; domestic water filtering units; drinking water filters; installations for water filtering; water filtering apparatus; water filtering apparatus for domestic use; water filtering apparatus for industrial use; water filtering installations; air cleaning apparatus; air cleaning filters (parts of air cleaning machines or installations); air cleaning instruments; air cleaning machines; apparatus for cleaning air; filters for cleaning air; flue gas cleaning apparatus

Advisory services relating to building design; analysis of building materials; building design services; building inspection services (surveying); building research services; design of building interiors; design of buildings; inspection of buildings (surveying); recording data relating to energy consumption in buildings; research relating to buildings; sustainability assessment services for buildings and developments