Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
Making of horizontal drillings for cables or pipes
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.
Works of leakproofing of roofs and flat roofs
Treatment of walls with waterproofing products
Cleaning with steam, sandblasting and similar activities used on the outside of buildings
Works of reinforcement and setting of casings
Assembling and disassembling of scaffoldings and work platforms
Installation of private swimming pools
Specialized retail trade of a wide range of articles for gardening and horticultural products (gardening centres)
Construction of residential buildings
Construction of other types of non-residential buildings
Construction of other types of civil-technical works
Demolishing
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
Plastering work
Carpentry
Laying of floor and wall tiles
Laying of floors and fitting wooden wall-coverings