Building of highways, roads, streets, pavements and other roads for vehicles and pedestrians (including the setting of guard rails)
Boring and building of waterwells, driving of wells
Building of lines and networks of telecommunication
Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
Removal on construction sites
Setting of telecommunication systems and computer installations
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
Setting of antennas and lightning rods
Paint of ships and boats by non-specialized units
Cleaning of new buildings and restoring after works
Cleaning with steam, sandblasting and similar activities used on the outside of buildings
Making of repointing works
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
Inside cleaning of all kind of buildings: offices, industries, institutional premises and other premises for professional or trade use, apartment buildings, etc
Window cleaning
Chimney sweeping and cleaning of hearths, ovens, incinerators, boilers, air ducts and smoke removal appliances
Construction of residential buildings
Drilling and pre-drilling
Cleaning of frontages
Other types of cleaning of buildings; industrial cleaning
Maintenance of the landscape
Other types of cleaning activities
Other types of specialised building activities
Cleaning of buildings
Insulation works
Other types of works with regard to the completion of buildings
Construction of civil-technical works for electricity and telecommunications