Installation of secondary power supply systems (electrical generators)
Building of transport and distribution lines for electricity
Setting of electric cables and appliances
Setting of telecommunication systems and computer installations
Setting of monitoring systems and alarms against housebreakings
Setting of electrical installations of heating
Installation of blinds and florentine blinds
Other work of n.e.s. installation, including accessories installation
Work of general installation
Installation of lifts and escalators
Retail trade of radio and television appliances and other audio-video appliances for domestic use, such as video recorder, cameras, hi-fi equipment, etc.
Retail trade of household appliances
Creation and setting of advertisements: posters, advertising signs, lighting newspapers, lighting signs, display on buses, etc.
Repair of audio and video appliances
Repair of household appliances
Installation of industrial machines, devices and equipment
Electro-technical installation works at buildings
Insulation works
Electro-technical installation works, with the exception of those executed at buildings