3
Cleaning and fragrancing preparations; bleaching preparations and other substances for laundry use; cleaning, polishing, scouring and abrasive preparations
5
Fungicides; bactericides; herbicides; pesticides; disinfectants and antiseptics; fumigating sticks; sterilising preparations; preparations for destroying vermin; pest control preparations and articles; air fresheners; air deodorisers
11
HVAC systems (heating, ventilation and air conditioning); ventilation apparatus; air curtains for ventilation; air impellers for ventilation; air inductor apparatus [ventilation]; electrically powered fans for ventilation purposes; extractors [ventilation or air conditioning]; industrial ventilation apparatus; motorised fans for ventilation; solar powered ventilation apparatus; turbine ventilators [ventilation apparatus]; flue gas cleaning apparatus; air cleaning filters [parts of air cleaning machines or installations]; filters for cleaning gases [parts of household or industrial installations]; dust filters; electrically powered blowers for dust extraction from the air; gas cleaners and purifiers; gas cleaning apparatus; air cleaning apparatus; air cleaning instruments; sterilization, disinfection and decontamination equipment; fire ventilators for exhausting gases, smoke, fumes and vapours; damping apparatus [parts of fires]; draught regulators for preventing the spread of fire
37
HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair; installation, maintenance and repair of systems for lighting, cooking, refrigerating, drying and water supply; air conditioning apparatus cleaning services; air conditioning contractor services; air duct cleaning services; replacement of filters; cleaning services; industrial cleaning services; polishing (cleaning); tube cleaning services; cleaning of machines; emptying [cleaning] services; cleaning of storage tanks; cleaning of electrical motors; cleaning of industrial premises; cleaning of floor coverings; waste disposal [cleaning service]; boiler cleaning and repair; abrasive cleaning of surfaces; hygienic cleaning [mobile structures]; maintenance of cleaning machines; rental of cleaning and washing and drying machines and equipment; installation of central vacuum cleaning systems; interior and exterior cleaning of buildings; prevention of dust ingress to buildings; disinfection services; disinfection of buildings, premises and apparatus against bacterial infestation; control of infestations; extermination and pest control; building, construction and demolition; fireproofing during construction; installation of ventilation and dust extraction systems; routine servicing of dust extraction apparatus; fire extinguisher recharging services; installation of industrial fire protection; maintenance and repair of fire detection, extinction, evacuation and alarm systems; advisory, consultancy and information services in relation to the aforesaid services
40
Odour counteracting services; odour removal services; decontamination of hazardous materials; fireproofing of existing structures; air treatment; air freshening; air deodorising; air purification; air regeneration; anti-mould treatment; damp-proofing to existing buildings; metal treatment services; recycling and waste treatment; treatment of hazardous gases; treatment of hazardous substances; treatment of natural gas; advisory, consultancy and information services in relation to the aforesaid services
45
Health and safety risk assessment services; health and safety risk management; information services relating to health and safety; reviewing standards and practices to assure compliance with laws and regulations; consultancy on regulations on safety at work; fire prevention consultancy; monitoring fire alarms; fire-fighting services; safety evaluation; safety, rescue, security and enforcement services; advisory, consultancy and information services in relation to the aforesaid services