6
Common metals and their alloys; Metal building materials; Building panels of metal; Roof coverings of metal; Ceilings of metal; Anchorage plates of metal; Sheets and plates of metal with integrated solar panels; Frames of metal for fixing solar panels; Rotary panels for solar panels; Metal beams; Metal joists; Metal pipes; Metal tubing; Laths of metal; Solder; Framework scaffolding of metal; Windows of metal; Transportable buildings of metal; Shuttering of metal for concrete; Metal cable wire; Safes
36
Real estate affairs; Real estate management; Real-estate valuations; Arranging letting of real estate
37
Construction; Building maintenance and repair; Electrical installation services; Construction services; Installation of fabricated construction units; Maintenance and repair of utilities in buildings; Building construction supervision; Demolition of buildings; Building insulating; Cleaning of buildings (interior and exterior surface); Scaffolding; Roofing services; Installation of solar panels
42
Scientific and technological services, and related research and design services; Architecture; Architectural consultation services; Construction drafting; Environmental protection consultancy; Quality control; Design of interior decor; Conducting technical project studies; Geological prospecting for oil; Engineering services; Material testing; Urban planning; Land and road surveying