7
Uninterruptible power supplies (installations) for the generation of electrical energy; apparatus for waste heat recovery; installations for use in the recovery of waste heat; plants for the conversion of waste into energy
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; installations for gasification of garbage; installations for gasification of waste; installations for fluidised bed gasification of waste; heat recovery apparatus (other than parts of machines); heat recovery devices (other than parts of machines); heat recovery instruments (other than parts of machines); machines for the recovery of heat; furnaces; furnaces for industrial use; furnaces for gas recovery purposes; furnaces for decontaminating metals; furnaces for melting metals; heating furnaces other than for laboratory experiments; articles for use in the application and/or production of heat in furnaces; heating apparatus for furnaces; shaped fittings for furnaces; carbon electrodes for use in furnaces; waste conversion plants; installations for the treatment of waste products; installations for the treatment of waste; filters for waste gas purification; heating apparatus for use in the treatment of waste material
40
Treatment of materials; treatment (recycling) of waste; treatment (transformation) of waste; treatment of waste materials; production of energy; incineration, destruction and recycling of waste and trash; sorting of waste and recyclable materials; conversion of solid waste into fuel and vitrified slag residue; decontamination of nuclear waste; material treatment of waste; processing of waste materials; treatment (recycling) of radioactive waste; treatment of chemical waste; treatment of hazardous waste; treatment of industrial waste; treatment of toxic waste; waste management information; waste management services (recycling)
42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software; environmental monitoring of waste treatment areas; environment consultancy services