6
Tanks of metal; storage tanks of metal; tanks of metal for the storage of water, compressed gases, liquefied gas, and/or fuel; tanks of metal incorporating pumps for use in dispensing fuel, oil, urea solutions or water; parts and fittings for the aforesaid goods included in the class
7
Drainage apparatus (non-metallic) for the collection and containment of water, oil and/or fuel; filtering apparatus and pumps; liquid separators; grease separators; parts and fitting for all the aforesaid goods
11
Apparatus for the treatment of waste water, rainwater, storm water, sewage and effluent; sustainable urban drainage systems and apparatus; rainwater harvesting systems and apparatus; waste water reuse systems and apparatus; rotating biological contactor apparatus; sewage treatment plants; filter apparatus; digesters; and parts and fittings for all the aforesaid goods
20
Tanks (non-metallic); plastic and non-metallic containers and bunkers for storage purposes (other than for household or kitchen use); plastic and non-metallic containers and bins for domestic and commercial refuse and waste; plastic and non-metallic containers for the storage of recyclable goods; plastic and non-metallic bunkers, bins and wheeled bins for garden refuse and compost; plastic and non-metallic water containers and bunkers (other than for household or kitchen use); plastic and non-metallic storage tanks and bunkers for fuel, oil, urea solutions and water; plastic and non-metallic fuel tanks for storage and distribution of fuel, oil, urea solutions or water; tanks made wholly or principally of plastic materials incorporating pumps for use in dispensing fuel, oil, urea solutions or water; parts and fittings for the aforesaid goods included in the class