Installation of secondary power supply systems (electrical generators)
Building of transport and distribution lines for electricity
Setting of electric cables and appliances
Setting of monitoring systems and alarms against housebreakings
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.
Setting of electrical installations of heating
Installation of lifts and escalators
Installation of industrial machines, devices and equipment
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings