services of electricians; washing; building and construction services; building maintenance; electric appliance repair; heating equipment installation and repair; heating equipment repair; installation of burglar alarms; installation of cable television systems; electrical wiring services; installation, maintenance and repair of air-conditioning apparatus; electrical installation services; heating equipment installation; electric apparatus installation; installation of communications network apparatus; installation of data network apparatus; installation, maintenance and repair of electrical equipment; installation of electrical apparatus; installation of electrical apparatus for buildings; installation of heating apparatus; installation of lighting systems; installation of security systems; installation of telecommunications apparatus; laying of cable; laying of cables; maintenance and repair of electrical apparatus; construction, maintenance and repair of heat insulation systems; maintenance and repair of buildings; installation, maintenance and repair services provided by a handyman; repair services; cleaning services; construction, maintenance and renovation of property