Plumbing services; installation of plumbing; maintenance of plumbing; plumbing repairs; renovation of plumbing; plumbing inspection services; installation, maintenance, repair, renovation and replacement of hot water systems; installation, maintenance, repair, renovation and replacement of solar hot water systems; installation, maintenance, repair, renovation and replacement of electric hot water systems; cleaning and unblocking of pipes, pipelines and drains; clearing of tree roots from pipes, pipelines and drains (plumbing services); installation, maintenance, repair, renovation and replacement of pipes, pipelines, sinks, drains, basins, faucets and water flow directional devices; installation, maintenance, repair, renovation and replacement of sewerage, waste water and storm water systems; gasfitting; installation, maintenance, repair, renovation and replacement of gas installations and equipment; installation, maintenance, repair, renovation and replacement of gas supply systems; drainage services; installation, maintenance, repair, renovation and replacement of roof guttering and associated plumbing systems; leak detection; pipe location services; sanitation services; rental of plumbing apparatus and equipment; providing information, including by electronic means and via a global computer network, about any of the aforementioned services