Rubber, gutta-percha, gum, asbestos, mica; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal; non-metallic flexible pipes and sheaths; flexible pipes of cloth and of plastic intended for commercial use; rehabilitation sleeves made of plastic composite materials, for use in renovating water and gas pipes, non-metallic flexible pipes; flexible sleeves consisting of several adjacent layers made of plastic, cloth and/or felt impregnated with hardening resins, used for renovating water and gas pipes; flexible composite articles consisting of several adjacent layers of plastic, designed for making rehabilitation sleeves for the renovation of water and gas pipes; pipe gaskets; insulated pipe supports; pipe joint compound; pipe joint sealant; silicon rubber pipes; canvas hose pipes; rubber tubes and pipes; pipes made of synthetic flexible material; pipe linings (non-metallic -); rubber sheathing for gas lines for protection against salt water corrosion; non-metallic pipe sleeves; non-metallic flexible tubes, including casings; non-metallic underground tubing; insulation for underground pipes and tanks; felt for insulating; synthetic repair resins; insulating acrylic resins; synthetic resins (semi-finished); semi-processed resins; urea resins [semi-worked]; thermosetting resins [semiprocessed]; semi-worked polymer resins; mouldable synthetic resins [semi-finished]; compounds of synthetic resins [semiprocessed]; resins for use in pipe splicing; resins in liquid form [semiprocessed]; fibres impregnated with synthetic resins for insulation; glass reinforced resins [semi-worked or semi-finished]; semi-processed synthetic polymer resins; glass fibre and glass wool for insulation; glass fibre reinforced hose; glass fibre reinforced felt for insulation

Construction, installation, repair, maintenance, renovation and cleaning of pipelines for gas, water, and waste water; construction, installation, repair, maintenance, renovation and cleaning of flexible pipes and sheaths; pipe laying; installation of fixtures and fittings for pipe; sewer pipe renovation; pipe installation services; lagging of pipe (insulation services); application of protective coatings to pipes; insulation of pipes; pipeline laying; pipeline insulation; pipeline maintenance; pipeline construction; construction, installation, repair and renovation services for pipeworks; pipework cleaning; advisory services relating to the renovation and restoration of trench drain; trenchless pipe repair; renovation of underground pipes; repair and cleaning of tanks and manholes; underground civil engineering construction; civil engineering [construction] consultancy; on-site construction supervision; application of protective coatings to drains; application of protective coating to conduits