1) Class: 11
Description: plumbing installations, water heaters for household purposes, water supply installations, sanitary and bathroom installations, water conditioning systems, shower drains [parts of sanitary installations], heating installations [water], shower sprayers [plumbing fittings], water heaters, flexible pipes being parts of wash-hand basin plumbing installations, water purifying apparatus for household use, bath plumbing fixtures, pipe water valves being parts of water heating installations, pipes being parts of sanitary installations, filters for faucets [plumbing fittings], faucet aerators [plumbing fittings], water conservation plumbing fixtures being faucets, flushing apparatus for water-closets, flexible pipes being parts of plumbing installations for wash-hand basins, water-pipes for sanitary installations, flexible pipes being parts of bath plumbing installations, water heating installations, bathroom installations, flexible pipes being parts of shower plumbing installations, water heaters for household use, bath plumbing fixtures, bath installations, bath fittings, water conditioning equipment, water conditioning installations, water conditioning apparatus, pipes [parts of sanitary installations], sanitary and bathroom installations and plumbing installations, cooling and heating water apparatus, bath plumbing fixtures, bath fittings, bath plumbing fixtures, bath fittings, bath installations, faucet filters [plumbing fittings], shower drains [sanitary installations], bath installations, bath fittings, bath plumbing fixtures, bath installations, bath plumbing fixtures, bath fittings, solar water heaters, solar powered heating installations
2) Class: 37
Description: installation of electrical appliances, plumbing and installation of gas and water pipelines, roof restoration, renovation of buildings, plumbing services, building renovation, installation of plumbing, gas and water networks, plumbing and glazing services, maintenance and repair of electrical apparatus, repair and maintenance of electrical apparatus, installation, maintenance and repair of electrical lighting apparatus, building and repair of houses, building maintenance and repair, roof restoration services, repair and maintenance of residential buildings, maintenance and repair of residential buildings, maintenance of apparatus for purifying water, maintenance of plumbing, plumbing installation advisory services, installation of water pipes, routine servicing of heating apparatus, roofing restoration, construction, maintenance and renovation of property, installation, maintenance and repair of water supply apparatus, installation of electrical apparatus for buildings, installation of equipment and apparatus for gas and water supply, installation of electrical wiring, installation of electric light and power systems, providing information relating to the installation of electrical apparatus, installation and repair of heaters, plumbing repair advisory services, installation of water supply apparatus, installation of plumbing systems, construction, maintenance and renovation of buildings, construction and renovation of buildings and other structures, installation of electrical apparatus, building maintenance and repairs, plumbing maintenance advisory services, advisory services relating to the maintenance of plumbing, electrical wiring services, installation, maintenance and repair of electrical devices, construction and repair of houses, repair of plumbing, providing information relating to building renovation, renovation and restoration of buildings, installation of plumbing, plumbing installation, maintenance and repair, repair of electrical equipment, restoration of roofs, plumbing and installation of gas and water distribution networks, repair of apparatus for purifying water, electrical installation services, provision of information relating to building renovation, maintenance of water purifying apparatus, renovation of apartments, installation, maintenance and repair of apparatus for supplying electricity, advisory services relating to the repair of plumbing, repair or maintenance of water purifying apparatus, advisory services relating to the renovation of property, house construction, installation, maintenance and repair of gas, electricity and water supply apparatus, building renovation services, plumbing, installation of electrical wiring for buildings, construction and renovation of buildings, repair of water supply apparatus, installation, maintenance and repair of electrical equipment, advisory services relating to the installation of plumbing, renovation, repair and maintenance of electrical wiring, installation of plumbing, gas and water systems, installation of rainwater collection systems, advisory services relating to the building renovations, building restoration, installation of heating systems, repair of heaters, installation of solar panels, maintenance and repair of solar-powered heating apparatus, installation of solar heating systems, installation, maintenance and repair of solar energy systems, solar heating installation maintenance and repair, installation, maintenance and repair of solar installations for generating power, maintenance and repair of solar heating installations, solar heating installation maintenance and repair services, installation, maintenance and repair of solar collectors, installation, maintenance and repair of inverters, batteries and electrical connection apparatus for solar energy systems