Common metals and their alloys; goods in this class for water storage including tanks, vinyl lined water storage tanks and glass-coated water storage tanks; metal reservoirs; gas, air and liquid cylinders in this class; metal building materials; ironmongery, small items of metal hardware; pipes and tubes of metal; goods of common metal not included in other classes; parts and fittings for the aforesaid goods

Apparatus for heating, steam generating, water supply and sanitary purposes; water treatment plants; sewage treatment plants; electrical appliances and installations for water supply; filtration installations; machines in this class for use in water and sewage treatment; ultraviolet sterilisation equipment in this class; membranes for the filtration of water; valves in this class; parts and fittings for the aforesaid goods including the aforesaid goods in modular or kit form