Electrical apparatus installation; electrical apparatus repair; electrical engineering services (construction); electrical installation services; electrical wiring services; installation of audio electrical apparatus; installation of electrical apparatus; interference suppression in electrical apparatus; maintenance and repair of electrical apparatus; maintenance, installation and repair of electrical items and equipment; repair of electrical appliances; residential, commercial and industrial installation and repair of electrical and computer wiring and cabling; handyman repair, maintenance and installation services; building construction; building construction advisory services; building construction consultancy; building demolition; building maintenance; building of apartment buildings; building of commercial properties; building of houses; building of industrial properties; building of offices; building of schools; building repair; building repairs; building services; maintenance and repair of buildings; refurbishment of buildings; renovation of buildings; repair of buildings; clearing of tree roots from pipes and drains (plumbing services); maintenance of plumbing; plumbing; renovation of plumbing; rental of plumbing apparatus