37 Building construction services; construction of buildings, bridges, roadways, pipelines, transmission lines, dams, harbours, refineries, power stations, substations, railways, pumping stations, water treatment plants, water waste treatment plants, telecommunication installations, factories; beneath ground construction work, namely, construction of plumbing installations, sewers, water supply installations and installation of related structured wiring; advisory services related to building construction; maintenance of vehicles and apparatus for locomotion by land; maintenance of industrial facilities; installation and maintenance of electronic security hardware; power-line maintenance; installation and maintenance of lighting apparatus, including road lighting; installation and maintenance of traffic management devices; construction, installation and maintenance of ventilation apparatus, including building and tunnel ventilation; lift maintenance; installation and maintenance of air-conditioning apparatus; installation and maintenance of railway signalling and controls apparatus; maintenance of real estate, construction and railway facilities; installation, maintenance and repair of computer hardware; building construction project management; project management relating to construction; project management of building fit-outs being building construction; project management of mining construction projects; project management of construction and maintenance of railways; repair or maintenance of railway rolling stock; provision of information relating to the repair or maintenance of railway rolling stock; installation, maintenance and repair of solar energy apparatus; installation, maintenance and repair of solar installations for generating power; installation, maintenance and repair of inverters, batteries and electrical connection apparatus for solar energy systems; installation, maintenance and repair of power plants; construction of power plants; construction of wind power plants; repair or maintenance of power-generating installations, electric transmission installations, power-receiving installations, power-distributing installations, and electric substation installations; servicing and maintenance of power-generating installations, electric transmission installations, and power-distributing installations; installation and repair of transmission lines; erection, installation, maintenance and repair of wind turbines, wind stations and other wind-powered machines; installation, maintenance and repair of windmills and wind turbines; construction, erection, installation, repair, refurbishment, servicing, maintenance and dismantling of wind farms; consultancy relating to the installation, maintenance and repair of windmills and wind turbines; installation, maintenance and repair of batteries and accumulators; battery charging services; vehicle battery charging; replacement of batteries; maintenance of roads; maintenance and repair of utility apparatus in buildings; services for construction, repair, and building inspection of infrastructure and utility apparatus for the utilities management sectors; maintenance and repair of gas installations and equipment; extraction of oil and gas; extraction of natural gas; construction of structures for the production of natural gas; construction of structures for the storage of natural gas; construction of structures for the transportation of natural gas; installation of gas supply and distribution apparatus; installation of gas and water pipelines; installation, maintenance and repair of apparatus for supplying gas; oil pipeline construction; oil pumping and extraction; installation of oil production apparatus; construction of structures for the storage of crude oil; construction of structures for the transportation of oil; repair or maintenance of vessels and providing information relating thereto; bus maintenance and repair services; provision of laundry facilities, including for linen and uniforms; provision of launderette facilities; hardscaping services; pest control services, other than for agriculture, aquaculture, horticulture and forestry; building maintenance and repair services; land development construction services, namely, planning and laying out and building of commercial buildings; caretaking services being cleaning and maintenance of buildings; construction hardscaping; housekeeping services in the nature of cleaning of residential homes; air-conditioning apparatus installation and repair; building construction supervision and management; installation of building insulation; cleaning of buildings; security alarm installation and repair; lift installation and repair; lift installation; lift repair; heating equipment installation and repair; safe maintenance and repair; floor sanding; scaffolding erection; integrated facilities management, namely, repair and maintenance of electrical, elevatory, plumbing, heating, ventilation and air conditioning apparatus; caretaking services being maintenance of buildings; real estate construction project management