Apparatus for water supply and sanitary purposes; installations, equipment and apparatus for water, waste water, sewage, sludge, solid waste, rubbish, municipal waste and industrial waste engineering; installations, equipment and apparatus for the treatment of water, waste water, sewage, sludge, solid waste, rubbish, municipal waste and industrial waste; water, waste water, sewage, sludge, solid waste, rubbish, municipal waste and industrial waste treatment plants; installations, equipment and apparatus for the purification of water, waste water, sewage and sludge; water, waste water, sewage and sludge purification plants; installations, equipment and apparatus for the filtering of water, waste water, sewage, sludge, solid waste, rubbish, municipal waste and industrial waste; water, waste water, sewage, sludge, solid waste, rubbish, municipal waste and industrial waste filtering plants; parts and fittings for all the aforesaid goods

Construction, repair, installation and maintenance services; construction, repair, installation and maintenance of water, waste water, sewage, sludge, solid waste, rubbish, municipal waste and industrial waste treatment installations and plants; construction, repair, installation and maintenance services, all relating to water treatment, water filtration and water purification plants and installations; construction, repair, installation and maintenance services, all relating to commercial plant for the removal of rubbish, waste and sludge from water; contract work, building and construction of water and sewage treatment works; consultancy and advisory services relating to all the aforesaid services

Storage and transport of water, waste water, sewage, sludge, solid waste, rubbish, municipal waste and industrial waste; water, waste water, sewage, sludge, solid waste, rubbish, municipal waste and industrial waste collection services; consultancy and advisory services relating to all the aforesaid services

Treatment of materials; water, waste water, sewage, sludge, solid waste, rubbish, municipal waste and industrial waste treatment, filtration and purification services; waste recycling services; consultancy and advisory services relating to all the aforesaid services

Architectural services; consultancy services; engineering services; process engineering services; project management services; all relating to the design and operation of water, waste water, sewage, sludge, solid waste, rubbish, municipal waste and industrial waste treatment installations and plants