11
Industrial treatment installations; Chemical processing equipment; Equipment, apparatus and installations composed thereof for the treatment of liquid media and solids using chemical, biological, physical and mechanical processes
37
Building, construction and demolition; Structural engineering and civil engineering being fields of industrial plant engineering; Installation, assembly and maintenance of industrial installations; Plant refurbishment; On site project management relating to the construction of buildings; Installation, maintenance and repair of lightning defence systems; Construction of pipelines; servicing, maintenance and repair of pipelines and pipeline systems; Vehicle repair, maintenance and refuelling; Airplane maintenance and repair; Services for the hire of tools; Building consultancy relating to industrial buildings
42
Science and technology services; Technical project planning in the field of engineering; Engineering services; Building design and consultancy relating to industrial buildings; Provision of technical consultancy to the petrochemical industry; Natural science services; Testing, authentication and quality control; Safety technological testing services; Chemists' services; Construction drafting; Design of process facilities; Technical engineering, design and development relating to technical processes, apparatus and installations; Technical consultancy in the fields of process engineering and installation construction; Technical and chemical research; Computer project management in the field of EDP, IT project management; Qualitative and safety monitoring of the assembly and commissioning of industrial installations