37
Building maintenance services; repair of buildings and building contents; installation, maintenance and repair of utilities; installation and repair of heating equipment and generating systems; installation and repair of steam generating systems; air conditioning apparatus installation and repair; refrigeration apparatus installation and repair; electrical appliance installation and repair; fire alarms and fire fighting equipment installation and repair in buildings; advisory services relating to the maintenance of buildings; building construction, renovation and demolition services; building insulation services; cleaning of building exteriors, windows and roads; installation and repair of water distribution, water treatment and irrigation device systems; cleaning services; janitorial services; disinfecting services; rental of cleaning apparatus; installation and maintenance of sanitary and cleaning equipment; washing of vehicles, including trash collection vehicles; urban cleaning services, including washing, aspiration, dry removal, poster removal, street cleaning and sweeping services; construction, installation, maintenance and repair of road network and traffic signalling equipment, public lighting networks and luminous signs, and urban traffic regulation equipment and networks; road and railway repair services; maintenance and repair of rail and road vehicles; construction, installation, maintenance and repair of equipment for the disposal and treatment of medical waste; pest control; extermination of vermin; information and consulting services concerning the aforesaid services
39
Water supply; water distribution; energy supply; energy distribution; collection, transport and delivery of commercial, domestic and medical waste and refuse; rental of waste storage containers and waste transport vehicles; clearance, removal, transportation and storage of commercial, domestic and medical waste; supply of containers for the disposal of waste material; collection of containers for waste materials; transport services, including transport by air, land, ship and rail; transport information services; collection, handling, freighting and storage of goods; provision of warehouses, including rental of warehouse storage space and storage of freight; information and consulting services concerning the aforesaid fields
40
Water treatment and purification; disposal and recycling of waste; treatment of industrial effluents and gas residues; sorting of waste and salvage material; waste treatment and processing; composting; recovery of materials from waste; reclamation of waste; destruction of waste; sanitary disposal of waste; incineration of domestic and industrial waste; decontamination of hazardous materials; treatment of hazardous materials; slag treatment; slurry treatment; recycling services; provision of information about the treatment of waste; air deodorizing; air purifying; air refreshing; printing services; production of energy; production of energy from the conversion of waste; sorting and reconditioning centres for preparing recyclable goods; composting centres; incineration centres; waste disposal centres