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.
Inside cleaning of all kind of buildings: offices, industries, institutional premises and other premises for professional or trade use, apartment buildings, etc
Construction of residential buildings
Construction of office buildings
Construction of other types of non-residential buildings
Electro-technical installation works, with the exception of those executed at buildings
Plumbing works
Other types of cleaning of buildings; industrial cleaning