Building of decks, including those for overpasses, elevated roadways, etc.
Building of tunnels for roads and railways and other underpasses
Boring and building of waterwells, driving of wells
Building of transport and distribution lines for electricity
Building of lines and networks of telecommunication
Making of dredging work
Scraping of rivers, pits, etc.
Land divisions
Planning and replotting of rural areas
Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
Removal on construction sites
Setting of electric cables and appliances
Setting of telecommunication systems and computer installations
Setting of monitoring systems and alarms against housebreakings
Setting of lighting and signalling systems for roads, railroads, port and airport installations (including the setting of notice boards)
Installation in buildings or in other projects of building of: heating systems by electricity, gas and fuel, boilers, materials and pipes for ventilation and air conditioning, etc.
Installation in buildings or in other projects of building of: heating, cooling and ventilation systems (except heating)
Setting of electrical installations of heating
Implementation in buildings or in other projects of building of: thermal insulation materials, acoustic and antivibrating insulation materials
Work of insulation of pipes for heating or cooling
Work of insulation of coolers or refrigerated warehouses
Installation of blinds and florentine blinds
Installation of signs, lighted or not
Other work of n.e.s. installation, including accessories installation
Work of general installation
Installation of lifts and escalators
Setting of antennas and lightning rods
Assembling of inside and outside woordworks: doors, windows, closets of equipped kitchens, shop equipments, frames for windows and doors, etc.
Assembling of movable partitions, recoverings for walls, ceilings, etc.
Assembling of garage doors, blinds, louvers, grids, etc.
Assembling of inside and outside metallic woordworks: doors, windows, frames for windows and doors, stairs, closets for equipped kitchens, shop equipments, etc.
Assembling of movable partitions, recoverings for walls, ceilings, etc., in metal
Assembling of garage doors, blinds, louvers, grids, etc. in metal
Assembling of inside and outside woodwork in plastic
Installation of inside doors, partitions,... in glass
Setting in buildings or other projects of building of: wooden floors, partition recovering in wood
Setting of glasses, mirrors, etc.
Cleaning of new buildings and restoring after works
Other works of finishing in buildings n.e.s.
Cleaning with steam, sandblasting and similar activities used on the outside of buildings
Assembling and disassembling of scaffoldings and work platforms
Construction of bridges and tunnels
Construction of distribution facilities for water and gas
Construction of sewerage systems
Construction of civil-technical works for electricity and telecommunications
Dredging
Other types of building installations
Carpentry
Laying of floors and fitting wooden wall-coverings
Hanging wall-paper, as well as flooring and wall-coverings of other materials
Glazing
Other types of works with regard to the completion of buildings
Cleaning of frontages
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Engineers and similar technical advisors, with the exception of surveyors
Maintenance of the landscape
Installation of heating, air-conditioning and ventilation