Building of highways, roads, streets, pavements and other roads for vehicles and pedestrians (including the setting of guard rails)
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)
Retail trade of furniture hardwares, paints and building materials (including do-it-yourself shops) with retail space lower than 400m2
Retail trade of floorings in plastic, rubber, cork, etc.
Plumbing works
Installation of heating, air-conditioning and ventilation
Laying of floor and wall tiles
Laying of floors and fitting wooden wall-coverings
Carrying out masonry and pointing
Do-it-yourself businesses and d.i.y. shops of common building materials
Retail trade in floor and wall-tiles in specialised shops
Retail trade in parquet floors, cork floors and plywood floors in specialised shops
Retail trade in sanitary products and sanitary installation materials in specialised shops
Retail trade in other types of building materials in specialised shops
Retail trade in carpets and other floor- and wall-covering in specialised shops
Other personal services
Repair of metal products
Construction of high roads and other types of roads