Building, construction and repair of plumbing services; rehabilitation, maintenance, renovation and repair of damaged drainage pipes and plumbing services and networks; maintenance and repair of public and private plumbing services and networks including manholes and parts of them; inspection services relating to the condition of drainage and plumbing services and networks; inspection of public and private plumbing services including smoke detection procedures to identify damage; the use of closed circuit television to provide the inspection services relating to these services; advisory services relating to the condition and structure of drainage and plumbing services and networks including manholes and parts of them; rehabilitation, repair and construction of damaged drainage and plumbing services including manholes and parts of them; plumbing project management (rehabilitation, repair and maintenance supervision); the installation of inspection and detection methods and apparatus including cameras to obtain accurate data about the condition, structure and network of public and private drainage and plumbing services; the provision of information in relation to the aforementioned services including information provided via the internet and computer modeling; information technology services relating to the installation, condition, repair and maintenance of drainage and plumbing services and networks including manholes and parts of them

Technological services, research and design of drainage and plumbing services and networks; analysis and reporting on the construction, rehabilitation, repair, maintenance, renovation and repair of damaged drainage pipes and plumbing services and networks; the appraisal of the status of the installations of drainage and plumbing networks; the use of closed circuit television to record the condition of these services and networks; the management of maintenance, rehabilitation and installation of drainage and plumbing services, the provision of information relating to drainage and plumbing services, networks and installations including manholes and parts of them; the development of software to record the status of these drainage and plumbing services and networks; reporting and the provision of information in relation to the aforementioned services including information provided via the internet and computer modeling

Ceiling fans, portable fans, and portable space heaters, portable house heaters and portable room heaters