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.
Application in buildings and in other projects of building of gypsum or stucco, inside and outside, including the associated lathing materials
Assembling of frames
Works of recovering in all materials
Setting of rainwater disposal elements
Construction of residential buildings
Construction of office buildings
Construction of other types of non-residential buildings
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings