6
Building and construction materials and elements of metal; Structures and transportable buildings of metal; Metal barriers; Crash barriers of metal; Metal barricades for roads; Barricades for highways (Metal -); Crash barriers of metal for roads; Fences of metal; Metal wire fencing; Metal fencing panels
17
Barriers for protection against sound; Insulations with sealing functions for noise protection; Acoustic insulating materials; Gaskets; Heat shrink joints
19
Building and construction materials and elements, not of metal; Unprocessed and semi-processed non-metallic mineral materials such as stone, clay, bitumen or concrete, or substitutes for these; Structures and transportable buildings, not of metal; Crash barriers, not of metal, for roads; Barricades for highways (Non-metallic -); Macadam; Road asphalt; Fences, not of metal; Concrete coatings
37
Building, construction and demolition; Road paving; Road construction; Road stripping; Maintenance of roads; Marking of roads; Custom construction of roads; Construction of foundations for roads; Installation of temporary barriers; Street construction; Road sealing; Installing fencing; Repair of fences; Installation of temporary fences; Security fencing (Erection of -); Construction services; Concreting; Building construction supervision; Coating of concrete; Concrete repairs; Sign posting services