37
Installation of apparatus for air-conditioning; Repair of air filters; Leasing of air compressors; Air duct cleaning services; Air conditioning vent sealing services; Repair of air filtering apparatus; Repair of air conditioning apparatus; Repair of air filters and parts thereof; Refurbishment of air conditioning plant; Routine servicing of air conditioning apparatus; Installation and repair of air-conditioning apparatus; Installation and repair of air-conditioning apparatus; Maintenance and repair of air conditioning apparatus; Repair of intake air filters for machinery; Retrofitting of air conditioning installations in buildings; Repair or maintenance of air conditioning apparatus; Air conditioning apparatus cleaning services; Repair of intake air filters and parts thereof; Repair or maintenance of air-conditioning apparatus [for industrial purposes]; Retrofitting of heating, ventilating and air conditioning installations in buildings; HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair; Providing information relating to the repair or maintenance of air conditioning apparatus; Air conditioning contractor services; Installation of air conditioning apparatus for use in clean rooms
40
Air treatment; Air purification; Air freshening; Air regeneration; Air deodorizing; Incineration of spent air; Air brushing services; Rental of air-conditioning apparatus; Air and water conditioning and purification; Rental of air purification apparatus; Recycling of insulating gases from air conditioning plant; Rental of water and air purification equipment; Providing information relating to the rental of air conditioning apparatus; Rental of heating apparatus
42
Data encryption and decoding services; Data duplication and conversion, Scientific and research analysis; Testing of filters; Consultancy relating to filtration technology; Technical consulting in the field of pollution detection; Airborne remote sensing relating to environmental explorations; Airborne remote sensing relating to scientific explorations; Engineering services; Engineering services; Engineering surveying; Geological surveys or research; Scientific research and analysis; Biological research and analysis; Bacteriological research and testing; Geophysical research services; Chemical research and analysis services; Consultancy services in the field of technological development; Consultancy in the field of computers; Software engineering; Technological research relating to computers; Information technology consulting; Computer programming for data processing and communication systems; Consultancy and information services relating to computer programming; Configuration of computer software; Updating of computer software; Software development; Software creation; Software as a service [SaaS]; Computer software research; Software design and development; Maintenance and updating of computer software; Computer hardware development; Design of computer hardware; Rental of computer hardware; Design and development of computer hardware; Consultation services relating to computer hardware; Research relating to mechanical engineering; Engineering consultancy services; Design services relating to civil engineering; Engineering research; Computer engineering consultancy services; Civil engineering consultancy; Engineering services for others; Design services relating to civil engineering; Architectural and engineering services; Estimations in the field of technology provided by engineers; Assessment in the field of technology provided by engineers; Research in the field of technology provided by engineers; Research in the field of science provided by engineers; Assessment in the field of science provided by engineers; Estimations in the field of science provided by engineers; Consultancy services relating to nuclear engineering; Measuring the environment within civil engineering structures; Technical consultation in the field of aerospace engineering; Technical consulting in the field of environmental engineering; Telecommunications engineering consultancy; Telecommunications engineering consultancy; Design and development of engineering products; Computer-aided engineering design services; Technical project planning in the field of engineering; Advisory services relating to industrial engineering; Provision of information relating to industrial engineering; Civil engineering drawing services; Testing of apparatus in the field of electrical engineering; Engineering services in the field of motive power; Engineering services in the field of environmental technology; Engineering services for the gas industry; Genetic engineering services relating to plants; Technical consultancy services relating to structural engineering; Technical consultancy services relating to civil engineering; Civil engineering planning services; Computer-aided engineering design and drawing services; Computer assisted engineering design services; Technical consultancy services relating to marine engineering; Advisory services relating to design engineering; Engineering services in the field of energy technology; Engineering services in the field of building technology; Engineering services in the field of communications technology; Research and development services in the field of engineering; Design of engineering works for flood prevention; Scientific research in the field of genetics and genetic engineering; Software engineering services for data processing programs; Engineering services relating to energy supply systems; Engineering services relating to metal handling systems; Engineering services for applications on large and medium-sized computer systems; Engineering services relating to metal forming systems; Analysis and testing services relating to electrical engineering apparatus; Analysing of air in building environments; Air flow measurement services; Air flow biochemical analysis services; Air flow acoustic measurement services; Air flow component testing services; Air quality data collection services