Gas fired heating installations; Gas fired space heating installations; Gas fuelled central heating installations; Gas generating installations; Gas purification installations; Gas purifying installations; Hot water heating installations; Hot water installations; Installations for the cooling of water; Installations for the distribution of water; Installations for the heating of water; Installations for the purification of sewage; Installations for the purification of waste water; Installations for the recycling (purification) of waste water; Installations for the treatment (clarifying) of water; Installations for the treatment of drinking water; Installations for the treatment of industrial waste water; Installations for waste water engineering; Installations for water distribution; Installations for water filtering; Installations for water filtration; Installations for water purification; Installations for water purifying; Installations for water supply; Sewage treatment (purification) installations; Sewerage installations; Shower bath installations; Shower bath screens adapted for use only with shower installations; Shower booths adapted for use with shower installations; Shower enclosures adapted for use with shower installations; Shower heads being parts of water supply installations; Shower installations; Shower screens adapted for use with shower installations; Shower stalls adapted for use with shower installations; Spray fittings (parts of sanitary installations); Spray fittings (parts of shower installations); Spray installations for the automatic watering of fields; Spray units being parts of water supply installations; Sprayers (automatic installations) for watering; Sprinkler installations (automatic) for agricultural purposes; Sprinkler installations (automatic) for horticultural purposes; Sprinkler installations (automatic) for use on golf courses; Sprinklers (automatic installations) for watering flowers and plants; Sprinklers (automatic) for surface installation; Sprinklers (automatic) for underground installation; Taps for sanitary installations; Taps for water supply installations; Wash basins (parts of sanitary installations); Wash bowls (parts of sanitary installations); Wash hand basins (parts of sanitary installations); Wash-hand basins (parts of sanitary installations); Wash-hand bowls (parts of sanitary installations); Washroom installations; Waste water treatment installations; Water conditioning installations; Water conducting armatures for domestic installations; Water conducting armatures for garden installations; Water conduits installations; Water distribution installations; Water distributor armatures for domestic installations; Water distributor armatures for garden installations; Water filtering installations; Water filters (installations) for agricultural purposes; Water filtration installations; Water fittings incorporating flow control (parts of sanitary installations); Water flushing installations; Water flushing installations for use in sanitary installations; Water heating installations; Water inlets (level controlling valves) being parts of sanitary installations; Water level regulators (valves) being parts of sanitary installations; Water outlets (valves) being parts of sanitary installations; Water pipes for sanitary installations (parts of); Water purification installations; Water purifying installations; Water purifying or treatment apparatus, installations and machines, utilizing magnets; Water regulating valves (faucets) being parts of sanitary installations; Water regulating valves (taps) being parts of sanitary installations; Water softening apparatus and installations; Water softening installations; Water supply installations; Water taps being parts of sanitary installations; Water taps being parts of water supply installations; Water-pipes for sanitary installations; Watering installations (automatic) for agriculture; Watering installations (automatic) for gardens; Watering installations, automatic

Clearing of tree roots from pipes and drains (plumbing services); Maintenance of plumbing; Plumbing; Plumbing and glazing services; Renovation of plumbing; Rental of plumbing apparatus; Drainage services; Land drainage; Rental of drainage pumps; Disconnecting unused service lines (eg gas, mains water, electricity); Drilling of deep oil or gas wells; Maintenance and repair of gas installations and equipment; Repair of gas supply systems; Advisory services relating to building construction materials; Building (construction) supervision; Building construction; Building construction advisory services; Building construction consultancy; Building construction supervision; Building project management (building construction supervision); Providing information, including online, about building construction, and repair and installation services; Provision of information in relation to building construction; Rental of building construction machinery; Supervision of building construction; Installation and repair of underwater pipelines; Irrigation devices installation and repair; Maintenance and repair of pipelines; Pump repair; Roof repair; Heating equipment installation; Heating equipment installation and repair; Installation of apparatus for sanitation; Installation of boilers; Installation of pipelines; Installation of roofing; Installation of washroom apparatus; Pipe installation services; Roof installation services