Flow control devices, namely, water-pipe valves of metal; manually operated metal vortex valves; metal valves for controlling and attenuating flow in water collection systems, for storm water detention, for control of watercourses and for flow control in flood storage areas, not being parts of machines; metal valves used to dissipate energy at the end of a line to reduce turbulence and minimise erosion to surrounding structures, not being parts of machines; metal valves for controlling and attenuating flow in foul and combined sewers, sewage treatment works and balancing ponds, and for catch basin inlet flow control, not being parts of machines; parts and fittings for all the aforesaid goods, namely, by-pass doors of metal, adjustable intake gates of metal, metal vortex suppressor pipes and metal vent pipes

Apparatus and equipment for water treatment, namely, separators for the treatment of water, namely, for separating solid material from water and filtration films and filters for the treatment of water and screens and separators for the treatment of water, not made of glass; Water treatment equipment, namely grit washing machines; dewatering machines for use in treatment of liquids including water, industrial effluent and sewage; apparatus and instruments for collecting, classifying and washing grit and for sediment removal in water treatment systems; grit separation tray for use in water treatment systems; parts and fittings for all the aforesaid goods, namely, by-pass doors, adjustable intake gates, vortex suppressor pipes and vent pipes

Flow control devices, namely water-pipe valves of plastic, other than machine parts; plastic valves for controlling and attenuating flow in water collection systems, for storm water detention, for control of watercourses and for flow control in flood storage areas, other than machine parts; plastic valves used to dissipate energy at the end of a line to reduce turbulence and minimise erosion to surrounding structures, other than machine parts; plastic valves for controlling and attenuating flow in foul and combined sewers, sewage treatment works and balancing ponds, and for catch basin inlet flow control, other than machine parts

Building construction in relation to construction regarding apparatus, installations and systems for water supply and sanitary services and building construction services in relation to construction regarding apparatus, installations and systems for control of water flow and for separation of solids and particulates from water and sewage; installation, maintenance, implementing into service and repair of apparatus, installations and systems for water supply and sanitary services, for control of water flow, for controlling flood water and storm water, and for separation of solids and particulates from water, industrial effluent and sewage, not including software

Design services for apparatus, installations and systems for water supply, sanitary systems, control of water flow, control of flood water and storm water, and separation of solids and particulates from water, industrial effluent and sewage; industrial process development; testing and developing optimum processes in the field of apparatus, installations and systems for water supply, sanitary systems, control of water flow, control of flood water and storm water, and separation of solids and particulates from water, industrial effluent and sewage, for others; research and development services in the field of apparatus, installations and systems for water supply, sanitary systems, control of water flow, control of flood water and storm water, and separation of solids and particulates from water, industrial effluent and sewage; information, advisory and consultation in the field of design of apparatus, installations and systems for water supply, sanitary systems, control of water flow, control of flood water and storm water, and separation of solids and particulates from water, industrial effluent and sewage