6
Building and construction materials and elements of metal; Roof gutters of metal; Gutter supports of metal; Gutter connection pieces of metal; Small items of metal hardware; Ironmongery of metal for building; Sleeves [metal hardware]; Metal hardware; Common metals and their alloys; Buildings, transportable, of metal; Drains made of metal; Gutter pipes of metal; Collars of metal for fastening pipes; Pipes and tubes of metal; Couplings of metal for tubing; Rain traps of metal; Rainwater hoppers of metal; Rainwater reservoirs of metal
19
Roof gutters, not of metal; Non-metallic pipes for roof drainage installations; Building and construction materials and elements, not of metal; Gutter pipes, not of metal; Gutters, not of metal; Non-metal brackets for gutters; Guttering (Non-metallic -) for the collection of rainwater; Guttering (Non-metallic -) for the dispersal of rainwater; Rain traps, not of metal; Rain gutters, not of metal; Rainwater hoppers of non-metallic materials
37
Installation of rainwater drainage systems; Installation of rainwater harvesting systems; Installation of rainwater collection systems; Installation services of small items of metal hardware; Repair and maintenance of small items of metal hardware; Installation services of structures and transportable buildings of metal; Repair and maintenance of structures and transportable buildings of metal; Installation services of building and construction materials and elements of metal; Repair and maintenance of building and construction materials and elements of metal
42
Engineering services; Technical engineering