Class 037
Construction and Repair Services
Construction of installations for fumes and wastewater purification and filtration and for the recycling of waste; Assembly of installations for water sanitation; Assembly of installations for fumes sanitation; Assembly of installations for soil sanitation
Class 040
Treatment & Processing of Materials Services
Recycling and treatment of materials using chemicals, namely chemical treatment of textile, recycling of waste, waste gas treatment, nuclear waste treatment, waste water treatment, purification and filtration of fumes, of water or of waste water, recycling of waste, consultation services concerning the aforementioned services; water sanitation; fumes sanitation, soil sanitation, providing information on water, fumes and soil treatments
Class 042
Computer & Software Services & Scientific Services
Technological services and design relating to water supply installation; Scientific and industrial research services relating to fume purification and filtration process, waste water and recycling of waste products; Scientific and technical advice, as well as engineering and laboratories works relating to water, fumes and soils sanitation