Building of lines and networks of telecommunication
Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
Preparation of sites for mining: overburden removal and other work of planning and preparation for mining sites
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
Other work of n.e.s. installation, including accessories installation
Work of general installation
Setting of antennas and lightning rods
Paint of ships and boats by non-specialized units
Cleaning of new buildings and restoring after works
Other works of finishing in buildings n.e.s.
Works of recovering in all materials
Works of leakproofing of roofs and flat roofs
Cleaning with steam, sandblasting and similar activities used on the outside of buildings
Making of repointing works
Works of reinforcement and setting of casings
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
Making of all submarine works
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
Cutting of trees and hedges
Design and maintenance of gardens, parks and green places for sport facilities
Construction of residential buildings
Dredging
Demolishing
Preparing land for construction
Drilling and pre-drilling
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Plumbing works
Insulation works
Other types of building installations
Plastering work
Carpentry
Hanging wall-paper, as well as flooring and wall-coverings of other materials
Painting of buildings
Painting of civil-technical works
Other types of works with regard to the completion of buildings
Roofing
Making walls waterproof
Cleaning of frontages
Carrying out masonry and pointing
Restoration of buildings
Works with cement concrete
Cleaning of buildings
Other types of cleaning of buildings; industrial cleaning