7
Electric water pumps; Electric water pumps for baths; Electric water pumps for spa baths; Electric water pumps for swimming pools; Filtering machines used in sewage handling; Feed pumps; Machines for use in the processing of water; Sludge pumps; Control mechanisms for machines, engines or motors; Circulating pumps; Water pumps; Water pumps for swimming pools; Water pumps for water filtering units; Water pumps for spa baths
9
Digital panel meters; Panel meters; Electronic meters; Electronic controllers; Measuring apparatus and instruments; Measuring apparatus; Measuring devices; Measuring instruments
11
Water filtering units; Disinfectant apparatus for dispensing solutions into water-pipes for sanitary installations; Filters for industrial and household use; Filters for use with swimming pools; Filters for ponds; Filters for drinking water; Filters for use with apparatus for water supply; Strainers for water lines; Hot tub filters; Filters for water filtering apparatus; Filters for water purifiers; Filter elements for the overflows of water supply tanks; Filter apparatus for water supply installations; Filter boxes for water purification; Apparatus for filtering drinking water; Pipes [parts of sanitary installations]; Rainwater purification installations; Tap-water purifying apparatus; Sewage disposal plants; Sterilization, disinfection and decontamination equipment; Water conditioning installations; Water conditioning apparatus; Water treatment filters; Water treatment apparatus for water softening for domestic use; Water conduits installations; Water purification, desalination and conditioning installations; Water purification installations; Water purification units; Water purifying apparatus and machines; Water purifying units for producing potable water
37
Application of waterproof linings; Repair information; Construction of swimming pools; Plumbing installation advisory services; Hygienic cleansing [baths]; Hygienic cleansing [pools]; Installation of rainwater drainage systems; Installation of rainwater collection systems; Installation of rainwater harvesting systems; Installation of rainwater tanks; Installation of sanitary apparatus; Installation of water softeners; Installation of plumbing systems; Plumbing installation, maintenance and repair; Maintenance of plumbing; Swimming-pool maintenance; Plumbing and gas and water installation; Cleaning of water supply plumbing; Repair or maintenance of water purifying apparatus; Repair of bathtubs; Repair of electronic apparatus; Repair of sanitary installations; Repair of water purifying apparatus; Repairing construction works; Restoration of baths; Renovation of machinery; Renovating services relating to conduits for water supply; Beneath ground construction work relating to plumbing; Installation of gas and water pipelines; Installation of water pipes; Maintenance and repair of pipelines; Maintenance of water purifying apparatus
40
Waste water treatment; Water treating; Providing information relating to water treatment; Water treatment and purification; Filtration of liquids; Custom manufacture of prefabricated construction elements; Regeneration of water