11
Water purifying apparatus; Water purifiers for industrial use; Filters for water purifiers; Water purifiers for household purposes; Electric water purifiers for household purposes; Water purification tanks; Water purification installations; Water purification units; Membrane purifying apparatus for the purification of water; Industrial-water purifying apparatus; Water purifying apparatus and machines; Electric water purification filters for household purposes; Water purifying units for producing potable water; Water purification, desalination and conditioning installations; Flow restrictors for reverse osmosis water purification units; Power filters for water purification [other than machines]; Water filters; Water filters for industrial purposes; Sewage purification apparatus; Filters for wastewater; Wastewater treatment installations; Waste water treatment tanks; Settler apparatus for sewage; Purification installations for sewage; Sewage disposal plants; Wastewater purification units; Industrial waste water purification plants; Transportable instruments for processing sewage; Wastewater treatment tanks for industrial purposes; Waste water treatment tanks for household purposes; Purification installations for waste material; Settler apparatus for waste; Bioreactors for use in the treatment of wastewater; Apparatus for filtering drinking water
40
On-site water purification services; Leasing of water purification equipment; Providing information relating to the rental of water purifying apparatus; Rental of water filters; Waste water treatment; Purification of industrial waste water; Industrial treatment of effluents; Treatment of waste water from industrial processes; Water pollution control; Regeneration of water; Desalination of water; Water purification; Water treating
42
Design services; Science and technology services; Testing, authentication and quality control; Engineering design and consultancy; Engineering services; Engineering design; Engineering research; Engineering project studies; Engineering project management services; Provision of engineering reports; Engineering surveying; Engineering services for others; Engineering consultancy services