6
Transportable structures of metal; Transportable structures of metal; Structures and transportable buildings of metal; Portable shelters of metal; Building and construction materials and elements of metal; Metal hardware; Signs, and information and advertising displays, of metal; Road humps [portable] of metal for slowing traffic
19
Non-metallic transportable structures; Buildings, transportable, not of metal; Structures and transportable buildings, not of metal; Building and construction materials and elements, not of metal; Signs, and information and advertising displays, non-metallic; Scaffolding, not of metal; Coatings [building materials]; Pitch, tar, bitumen and asphalt; Gravel; Stone; Road coating materials; Road repair materials (non-metallic-); Signposts (Non-metallic -)
37
Construction; Paving contractor services; Road construction; Pavement striping; Maintenance of roads; Road sealing and stripping; Cleaning of site roads; Civil engineering [construction] consultancy; Sign posting services; Construction of bridges; Construction of railways; Harbour construction; Construction of airports; Cleaning of exterior airport runways; Beneath ground construction work relating to foundation laying; Hire of roadworking machinery
40
Decontamination of subsurface soil sites; Land decontamination; Decontamination of hazardous materials; Consultancy relating to the clearance of chemical pollution; Treatment of hazardous waste; Recycling services
42
Engineering services; Architectural and urban planning services; Research relating to technology; Conducting technical project studies; Technical inspection services; Technological services; Earth science services; Geological prospecting; Technological consultancy in the field of geology; Geological estimations and research; Surveying and exploration services; Engineering services in the field of environmental technology; Technical consulting in the field of environmental engineering; Consultancy services relating to environmental planning; Advisory services relating to environmental pollution; Technical consultancy in the field of environmental science; Environmental testing and inspection services; Environmental surveys; Research in the field of environmental protection; Research in the field of environmental conservation