Scientific, surveying, photographic, optical, measuring, signalling and checking apparatus and instruments, namely, fibre optic installations, optical fibre sensors, optical fibre cables and sheaths, fibre optic viewers, all for monitoring sewerage and drainage installations, water pipes for sewerage installations and waste pipes for sewerage installations; apparatus for recording, transmission or reproduction of images; data processing equipment; computer software for operating, installing, testing, diagnosing and managing fibre optic cables and accessing, recording, and analyzing data in the field of maintaining sewerage installations; optical cables; fibre optics; optical fibres; fibre optic cables; optical fibre cables; fibre optic patch panels; optical sensors; optical fibre sensors; fibre optic couplings; fibre optic receptors; fibre optic periscopes; nonlinear optical fibres; sheaths for fibre optic cable; junctions sleeves for fibre optics; fibre optic viewers; optical viewing screens, namely, video monitors; optical transmitters for use with fibre optic cables; fibres for the transmission of images; optical fibre temperature probes, other than for medical use; blank optical data carriers; optical electronic components, namely, optical receivers, digital transmitters; optical inspection apparatus for industrial use; optical measuring components, namely, optical fibre sensors, optical profilers, thermometers; water leakage detection alarms; water level indicators; water level detection apparatus; liquid level monitoring apparatus; water temperature gauges; visual monitoring apparatus, namely, video cameras, infrared cameras

Installation, repair and maintenance of fibre optic cables; installation, repair and maintenance of optical sensors; application of sheathing to optical fibres; repair of optical instruments; repair or maintenance of optical machines and instruments; providing information relating to the repair or maintenance of optical machines and instruments; installation, repair and maintenance of pipework; advisory services for pipe laying; beneath ground construction work relating to pipework; beneath ground construction work relating to water supply pipes; beneath ground construction work relating to plumbing; installation of pipe systems for conducting of liquids; renovation of underground pipes; pipeline construction and maintenance; pipeline installation and repair; servicing of pipelines; maintenance and repair of pipeline systems; sewer pipe servicing; sewer pipe renovation; sewer pipe cleaning; sewer pipe maintenance installation of water pipelines; cleaning of water supply pipework; cleaning of water supply plumbing; emergency servicing of water supply apparatus; maintenance and repair of pipes used in industrial equipment; beneath ground construction work relating to gas supply pipes; emergency servicing of gas supply apparatus; information, advice and consultancy relating to all the aforesaid services

Scientific and technological services and research and design relating thereto with respect to fibre optics and optical apparatus and instruments, namely, scientific research, technological consulting; industrial analysis and research services, namely, industrial research, analysis of water and waste water; design and development of computer hardware and software for use with fibre optics; design of pipelines; pipeline inspection services; design of optical and micro-optical components; custom design and engineering of fibre optics; water analysis; technical design and planning of pipelines for gas, water and waste water; water quality control services; environmental monitoring of water and waste water quality through use of fibre optics; monitoring of water quality through use of fibre optics; environmental testing services to detect contaminants in water; technical design and planning of sewerage systems; environmental monitoring of waste storage areas through use of fibre optics; environmental monitoring of waste treatment areas through use of fibre optics; information, advice and consultancy relating to all the aforesaid services