HVAC systems (heating, ventilation and air conditioning); Refrigerating and freezing equipment; Regulating and safety accessories for water and gas installations; Heating, ventilating, and air conditioning and purification equipment (ambient); Sanitary installations, water supply and sanitation equipment; Air treatment equipment; Elbow bends (plastic -) for pipes [parts of sanitary installations]; Cast iron parts for pipes [parts of sanitary installations]; Corrugated pipes of metal [parts of sanitary installations]; Burners, boilers and heaters; Sanitary and bathroom installations and plumbing fixtures; Sauna accessories; Steam baths, saunas and spas; Sterilization, disinfection and decontamination equipment; Water purification, desalination and conditioning installations; Fittings for the draining of water; Fittings for basins; Decorative fountains, sprinkler and irrigation systems; Drying installations; Filters for industrial and household use; Gas cleaners and purifiers; Flues and installations for conveying exhaust gases; Dampers [heating]; Chimney extractors; Fittings for flues; Industrial ovens and furnaces (not for food or beverages); Barbecues; Hearths; Cooking appliances; Igniters; Personal heating and drying implements; Plates [parts of ovens]; Damping apparatus [parts of furnaces]; Crowns [parts of kilns]; Damping apparatus [parts of fires]; Dirt pans [parts of fires or furnaces].

Non-metallic fittings for pipes; Non-metallic underground hose; Pipes made of synthetic flexible material; Hoses of textile material; Hoses (Non-metallic -) for industrial purposes; Non-metal elbows for pipes; Flexible hoses made of polymeric materials; Pipe jointing compounds for preventing leakage; Hoses of textile material; Flexible pipes, not of metal; Water hoses of textile; PVC-coated felt for repairing, sealing and covering pipes, piping and hoses; Polyurethane-coated felt for repairing, sealing and covering pipes, piping and hoses; Polyester (isolation); Polyester sheets [other than for wrapping or packaging]; Polyester sheets [other than for wrapping or packaging]; Polyester fleece for thermal insulation; Polyester fleece for acoustic insulation; Unsaturated polyester resins [semi-finished]; Fabrics made from polyester for use as insulation; Spun polyester fibre [other than for textile use]; Tapes of epoxy impregnated fibreglass for insulating; Flexible pipes, tubes, hoses, and fittings therefor, including valves, non-metallic; Thermal insulation articles and materials; Waterproofing and moisture proofing articles and materials; Electrical insulation articles and materials; Fire resistant and fire preventive articles and materials; Glass fibre and glass wool; Insulation and barrier articles and materials; Mineral fibers; Membranes and semi-processed synthetic filtering materials; Acoustic insulation articles and materials; Adhesive tapes, strips, bands and films; Clutch and brake linings; Cellulose acetate; Carbon fibre; Elastomers; Seals, sealants and fillers; Semi-worked plastic substances; Semi-worked synthetic resins; Shock-absorbing and packing materials, vibration dampers; Resins in extruded form; Repair resins (Synthetic -); Semi-processed resins; Resins in liquid form [semi-processed]; Thermosetting resins [semi-processed].

Installation services of hVAC systems (heating, ventilation and air conditioning); Repair and maintenance of hVAC systems (heating, ventilation and air conditioning); Installation services of refrigerating and freezing equipment; Repair and maintenance of refrigerating and freezing equipment; Installation services of regulating and safety accessories for water and gas installations; Repair and maintenance of regulating and safety accessories for water and gas installations; Installation services of heating, ventilating, and air conditioning and purification equipment (ambient); Repair and maintenance of heating, ventilating, and air conditioning and purification equipment (ambient); Installation services of sanitary installations, water supply and sanitation equipment; Repair and maintenance of sanitary installations, water supply and sanitation equipment; Installation services of air treatment equipment; Repair and maintenance of air treatment equipment; Installation services of elbow bends (plastic -) for pipes [parts of sanitary installations]; Repair and maintenance of elbow bends (plastic -) for pipes [parts of sanitary installations]; Installation services of cast iron parts for pipes [parts of sanitary installations]; Repair and maintenance of cast iron parts for pipes [parts of sanitary installations]; Installation services of corrugated pipes of metal [parts of sanitary installations]; Repair and maintenance of corrugated pipes of metal [parts of sanitary installations]; Installation services of burners, boilers and heaters; Repair and maintenance of burners, boilers and heaters; Installation services of sanitary and bathroom installations and plumbing fixtures; Repair and maintenance of sanitary and bathroom installations and plumbing fixtures; Installation services in relation to the following: sauna accessories; Repair and maintenance in relation to the following: sauna accessories; Installation services of steam baths, saunas and spas; Repair and maintenance of steam baths, saunas and spas; Installation services of sterilization, disinfection and decontamination equipment; Repair and maintenance of sterilization, disinfection and decontamination equipment; Installation services of water purification, desalination and conditioning installations; Repair and maintenance of water purification, desalination and conditioning installations; Installation services of fittings for the draining of water; Repair and maintenance of fittings for the draining of water; Installation services of fittings for basins; Repair and maintenance of fittings for basins; Installation services of decorative fountains, sprinkler and irrigation systems; Repair and maintenance of decorative fountains, sprinkler and irrigation systems; Installation services of drying installations; Repair and maintenance of drying installations; Installation services of filters for industrial and household use; Repair and maintenance of filters for industrial and household use; Installation services of gas cleaners and purifiers; Repair and maintenance of gas cleaners and purifiers; Installation services of flues and installations for conveying exhaust gases; Repair and maintenance of flues and installations for conveying exhaust gases; Installation services of dampers [heating]; Repair and maintenance of dampers [heating]; Installation services of chimney extractors; Repair and maintenance of chimney extractors; Installation services of fittings for flues; Repair and maintenance of fittings for flues; Installation services of industrial ovens and furnaces (not for food or beverages); Repair and maintenance of industrial ovens and furnaces (not for food or beverages); Installation services of barbecues; Repair and maintenance of barbecues; Installation services of hearths; Repair and maintenance of hearths; Installation services of cooking appliances; Repair and maintenance of cooking appliances; Installation services of igniters; Repair and maintenance of igniters; Installation services of personal heating and drying implements; Repair and maintenance of personal heating and drying implements; Installation services of plates [parts of ovens]; Repair and maintenance of plates [parts of ovens]; Installation services of damping apparatus [parts of furnaces]; Repair and maintenance of damping apparatus [parts of furnaces]; Installation services of crowns [parts of kilns]; Repair and maintenance of crowns [parts of kilns]; Installation services of damping apparatus [parts of fires]; Repair and maintenance of damping apparatus [parts of fires]; Installation services of dirt pans [parts of fires or furnaces]; Repair and maintenance of dirt pans [parts of fires or furnaces]; Installation services of non-metallic fittings for pipes; Repair and maintenance of non-metallic fittings for pipes; Installation services of non-metallic underground hose; Repair and maintenance of non-metallic underground hose; Installation services of pipes made of synthetic flexible material; Repair and maintenance of pipes made of synthetic flexible material; Installation services of hoses of textile material; Repair and maintenance of hoses of textile material; Installation services of hoses (Non-metallic -) for industrial purposes; Repair and maintenance of hoses (Non-metallic -) for industrial purposes; Installation services of non-metal elbows for pipes; Repair and maintenance of non-metal elbows for pipes; Installation services of flexible hoses made of polymeric materials; Repair and maintenance of flexible hoses made of polymeric materials; Installation services of pipe jointing compounds for preventing leakage; Repair and maintenance of pipe jointing compounds for preventing leakage; Installation services of hoses of textile material; Repair and maintenance of hoses of textile material; Installation services of flexible tubes, not of metal; Repair and maintenance of flexible tubes, not of metal; Installation services of water hoses of textile; Repair and maintenance of water hoses of textile; Installation services of polyester (isolation); Repair and maintenance of polyester (isolation); Installation services in relation to the following: polyester films (other than for wrapping or packaging); Repair and maintenance in relation to the following: polyester films (other than for wrapping or packaging); Installation services in relation to the following: polyester sheets (other than for wrapping or packaging); Repair and maintenance in relation to the following: polyester sheets (other than for wrapping or packaging); Installation services of polyester fleece for thermal insulation; Repair and maintenance of polyester fleece for thermal insulation; Installation services of polyester fleece for acoustic insulation; Repair and maintenance of polyester fleece for acoustic insulation; Installation services in relation to the following: unsaturated polyester resins (semi-finished products); Repair and maintenance in relation to the following: unsaturated polyester resins (semi-finished products); Installation services of fabrics made from polyester for use as insulation; Repair and maintenance of fabrics made from polyester for use as insulation; Installation services in relation to the following: spun polyester fibre (other than for textile use); Repair and maintenance in relation to the following: spun polyester fibre (other than for textile use); Installation services of tapes of epoxy impregnated fibreglass for insulating; Repair and maintenance of tapes of epoxy impregnated fibreglass for insulating; Installation services of flexible pipes, tubes, hoses, and fittings therefor, including valves, non-metallic; Repair and maintenance of flexible pipes, tubes, hoses, and fittings therefor, including valves, non-metallic; Installation services of thermal insulation articles and materials; Repair and maintenance of thermal insulation articles and materials; Installation services of waterproofing and moisture proofing articles and materials; Repair and maintenance of waterproofing and moisture proofing articles and materials; Installation services of electrical insulation articles and materials; Repair and maintenance of electrical insulation articles and materials; Installation services of fire resistant and fire preventive articles and materials; Repair and maintenance of fire resistant and fire preventive articles and materials; Installation services in relation to the following: glass fibre and glass wool; Repair and maintenance in relation to the following: glass fibre and glass wool; Installation services of insulation and barrier articles and materials; Repair and maintenance of insulation and barrier articles and materials; Installation services in relation to the following: mineral fibres; Repair and maintenance in relation to the following: mineral fibres; Installation services in relation to the following: films and semi-finished synthetic filter materials; Repair and maintenance in relation to the following: films and semi-finished synthetic filter materials; Installation services of acoustic insulation articles and materials; Repair and maintenance of acoustic insulation articles and materials; Installation services in relation to the following: adhesive tapes, adhesive strips, hook-and-loop straps and adhesive films; Repair and maintenance in relation to the following: adhesive tapes, adhesive strips, hook-and-loop straps and adhesive films; Installation services in relation to the following: clutch and brake coatings; Repair and maintenance in relation to the following: clutch and brake coatings; Installation services in relation to the following: cellulose acetate; Repair and maintenance in relation to the following: cellulose acetate; Installation services in relation to the following: carbon fibre; Repair and maintenance in relation to the following: carbon fibre; Installation services in relation to the following: elastomers; Repair and maintenance in relation to the following: elastomers; Installation services of seals, sealants and fillers; Repair and maintenance of seals, sealants and fillers; Installation services in relation to the following: semi-finished plastic materials; Repair and maintenance in relation to the following: semi-finished plastic materials; Installation services in relation to the following: semi-finished synthetic resins; Repair and maintenance in relation to the following: semi-finished synthetic resins; Installation services in relation to the following: shock-absorbing materials and packaging materials, vibration dampers; Repair and maintenance in relation to the following: shock-absorbing materials and packaging materials, vibration dampers; Installation services in relation to the following: resins in extruded form; Repair and maintenance in relation to the following: resins in extruded form; Installation services in relation to the following: synthetic repair resins; Repair and maintenance in relation to the following: synthetic repair resins; Installation services in relation to the following: semi-processed resins; Repair and maintenance in relation to the following: semi-processed resins; Installation services in relation to the following: liquid resins (semi-finished); Repair and maintenance in relation to the following: liquid resins (semi-finished); Installation services in relation to the following: thermosetting resins (semi-finished); Repair and maintenance in relation to the following: thermosetting resins (semi-finished); Installation services in relation to the following: PVC-coated felt for repairing, sealing and covering pipes, piping and hoses; Repair and maintenance in relation to the following: PVC-coated felt for repairing, sealing and covering pipes, piping and hoses; Installation services in relation to the following: polyurethane-coated felt for repairing, sealing and covering pipes, piping and hoses; Repair and maintenance in relation to the following: polyurethane-coated felt for repairing, sealing and covering pipes, piping and hoses; Relining of drains, pipes and air conditioning, smoke and other flues, and consultancy, advice, information, appraisal and analysis relating to relining; Coating of sewers; Coating of drains; Maintaining and repair of drain pipes; HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair; Plumbing installation, maintenance and repair; Installation of electric light and power systems; Maintenance and repair of utilities in buildings; Installation of power generating apparatus; Maintenance, servicing and repair of power generating apparatus and installations; Installation of transmission lines; Repair of power lines; Dismantling of power lines; Computer hardware and telecommunication apparatus installation, maintenance and repair; Alarm, lock and safe installation, maintenance and repair; Lift and elevator installation, maintenance and repair; Building maintenance and repair; Building, construction and demolition; Rental of machines, tools and apparatus for building construction; Rental of cleaning and washing machines and equipment; Hire of tools, apparatus and equipment for construction, demolition, cleaning and maintenance work; Plumbing installation advisory services; Plumbing repair advisory services; Advisory services relating to the installation of heating and cooling apparatus; Consultancy and information services relating to construction; Consultation in building construction supervision; Building construction advisory services; Advisory services relating to the maintenance of buildings; Advisory services relating to building demolition; Advisory services relating to the installation of security and safety equipment; Provision of information, advice and consultancy relating to cleaning; Furniture maintenance and repair; Interior and exterior cleaning of buildings; Shipbuilding.