Installation of secondary power supply systems (electrical generators)
Setting of monitoring systems and alarms against housebreakings
Design and realization of projects interesting electric and electronic engineering, mining, chemical and industrial engineering, the engineering of systems, security technics, etc.
Working by stock removal of metals
Construction of civil-technical works for electricity and telecommunications
Electro-technical installation works at buildings
Retail trade in electronic domestic devices in specialised shops
Other types of retail trade in new goods in specialised shops
Wholesale in common building materials
Do-it-yourself businesses and d.i.y. shops of common building materials