6
Common metals and their alloys; Metal building materials; Transportable buildings of metal; Materials of metal for railway tracks; Non-electric cables and wires of common metal; Ironmongery, small items of metal hardware; Pipes and tubes of metal; Safes; Ores; Buildings of metal; Framework scaffolding of metal; Boxes of common metal; Metal bins; Monuments of metal
19
Building materials(non-metallic); Cement; Concrete; Ready to use concrete; Mortar for building; Concrete mixtures; Cement mixes; Filling cement; Adhesive mortar for building purposes; Sand, except foundry sand; Chippings; Aggregates for use in construction
37
Construction services; Construction of buildings, public works, works of art and civil engineering works; Construction, repair, maintenance, upkeep and demolition of buildings and civil engineering works; Building construction supervision; Construction information; Dismantling of real estate works; Construction of permanent buildings for thermal, air conditioning, electrical and monitoring installations; Upkeep and maintenance of thermal, air conditioning, electrical and monitoring installations; Installation of public works; Installation, repair and maintenance of tunnels, viaducts, oil pipelines, dams, canal locks and irrigation devices; Earthwork; Masonry; Painting, interior and exterior; Plumbing; Electric appliance installation and repair; Installation and repair of air-conditioning apparatus; Elevator installation and repair; Roofing services; Insulation services; Building sealing; Cleaning of buildings [exterior surface]; Scaffolding; Demolition of buildings; Upkeep, renovation and restoration of historical monuments, buildings, works or monuments; Building construction, maintenance and repair; Building consultancy
42
Surveying; Technical evaluation, statistics, appraisal, research and reports provided by engineers; Technical evaluation, statistics, appraisal, research and reports in the field of construction, provided by engineers; Scientific and industrial research; Material testing; Conducting technical project studies; Construction drafting; Technical research; Architecture; Land surveying; Land surveying; Calibration; Engineering drawing; Engineering services; Industrial research and development of products for others; Industrial research and development of goods for others in the construction industry; Mechanical research and physics research; Quality control; Geological surveys; Geological prospecting; Geological research; Computer programming; Computer software design; Installation of software; Maintenance of computer software and computers; Updating of computer software; Conversion of data from physical to electronic media; Environmental protection consultancy; Engineering services in the field of construction; Technical analysis and expertise in the field of construction, provided by engineers