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 conveyance, distribution and water disposal networks
Building of gas, fuel transport networks, etc.
Building of transport and distribution lines for electricity
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 electric cables and appliances
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
Cleaning of new buildings and restoring after works
Inside cleaning of all kind of buildings: offices, industries, institutional premises and other premises for professional or trade use, apartment buildings, etc
Construction of civil-technical works for liquids
Construction of civil-technical works for electricity and telecommunications
Drilling and pre-drilling
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Insulation works
Other types of building installations
Other types of works with regard to the completion of buildings
Other types of cleaning of buildings; industrial cleaning