Setting of monitoring systems and alarms against housebreakings
Setting of lighting and signalling systems for roads, railroads, port and airport installations (including the setting of notice boards)
Installation in buildings or in other projects of building of: heating systems by electricity, gas and fuel, boilers, materials and pipes for ventilation and air conditioning, etc.
Installation in buildings or in other projects of building of: heating, cooling and ventilation systems (except heating)
Setting of electrical installations of heating
Installation of signs, lighted or not
Installation of lifts and escalators
Electro-technical installation works at buildings
Restoration of buildings
Other types of specialised building activities
Electro-technical installation works, with the exception of those executed at buildings
Installation of heating, air-conditioning and ventilation