Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
Dredging of agricultural and silvicultural lands
Removal on construction sites
Making of horizontal drillings for cables or pipes
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: pumbling systems and hygiene appliances, pipes for gas and water (except for heating), setting of automatic extinguishers, etc.
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
Installation of blinds and florentine blinds
Work of general installation
Assembling of inside and outside woordworks: doors, windows, closets of equipped kitchens, shop equipments, frames for windows and doors, etc.
Assembling of inside and outside metallic woordworks: doors, windows, frames for windows and doors, stairs, closets for equipped kitchens, shop equipments, etc.
Setting in buildings or other projects of building of: wall recoverings or tiles in ceramic, in concrete or in freestones; floorings and wall recovering in granites, etc.
Setting in buildings or other projects of building of: wooden floors, partition recovering in wood
Setting of wallpapers
Inside and outside paint of buildings
Cleaning of new buildings and restoring after works
Cleaning with steam, sandblasting and similar activities used on the outside of buildings
Setting of foundations, including pile hammering
Assembling of elements of metallic structures, not made by the unit making the works
Making of lifting works for third parties
Assembling and disassembling of scaffoldings and work platforms
Construction of residential buildings
Preparing land for construction
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Plumbing works
Installation of heating, air-conditioning and ventilation
Laying of floors and fitting wooden wall-coverings
Other types of works with regard to the completion of buildings
Carrying out masonry and pointing
Restoration of buildings
Wholesale in raw vegetable as well as animal oils and fats
Wholesale in perfumes and cosmetics
Other types of retail trade, not carried on in shops or by means of street and market vending
Cleaning of frontages
Hanging wall-paper, as well as flooring and wall-coverings of other materials