Clearing of tree roots from pipes and drains (plumbing services); advisory services relating to pipe laying; clearing of tree roots from pipes and drains (plumbing services); pipeline maintenance; sewer pipe maintenance; maintenance and repair of pipelines; maintenance and repair of utilities in buildings; providing information, including online, about building construction, and repair and installation services; provision of information in relation to the repair, maintenance and installation of goods; repair information; repair services; repair, maintenance and installation advisory services; repair, maintenance and installation consultancy services; maintenance of plumbing; renovation of plumbing; relining of pipes; in-place relining of pipes; in-place relining of damaged pipes without excavation; pipe rehabilitation services; pipe renewal services