Building of conveyance, distribution and water disposal networks
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.
Other work of n.e.s. installation, including accessories installation
Monitoring of building works (carcass, installation, finishing, etc.)
Construction of civil-technical works for electricity and telecommunications
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Installation of heating, air-conditioning and ventilation
Reparations of computers and peripheral devices
Repair of communication devices
Repair of consumer electronics
Repair of domestic devices and of equipment used in house and in the garden
Repair of electronic devices
Installation of industrial machines, devices and equipment