11
Installations and apparatus for the purification, separation, treatment and concentration of liquids; Apparatus for the separation of oil and grease from water; Sewage treatment plants; Water purifying installations
19
Building materials, not of metal; Buildings and transportable buildings, not of metal; Prefabricated building elements (Non-metallic -) for on site assembly; Prefabricated assembly kits of concrete; Storage tanks [structures], not of metal; Non-metallic water tanks; Non-metallic water pipes [other than parts of sanitary installations]; Street gutters, not of metal; Rainwater reservoirs (Non-metallic -); Lids for storage tanks, None being of metal; Manholes (Non-metallic -); storage tanks (not of metal); Grease pits, None being of metal; Working pits, None being of metal; Sludge traps, None being of metal; Prefabricated structures for use as basements, None being of metal; Septic tanks, None being of metal; Guttering (Non-metallic -) for the collection of waste water; Guttering (Non-metallic -) for the dispersal of waste water; Permeable concrete; Permeable prefabricated building elements, None being of metal; Concrete; Custom prefabricated structures, None being of metal
37
Construction services; Construction work; installation of pumps; Servicing of pumps; Installation services and Assembly, in relation to the following goods: Wells; Well maintenance services; Installation services and Assembly, in relation to the following goods: Prefabricated elements; Installation, maintenance and repair relating to the following goods: filtration systems; Maintenance of water purifying apparatus; Drilling of wells; Excavation services; Land excavating; Construction of sewerage systems; Construction of drainage systems; Concrete sealing; Soil foundation work; Construction consultancy; Soil stabilisation; Land drainage; Industrial construction; Building reinforcing; Construction information; General building contractor services