Setting of telecommunication systems and computer installations
Setting of monitoring systems and alarms against housebreakings
Installation in buildings or in other projects of building of: heating, cooling and ventilation systems (except heating)
Setting of electrical installations of heating
Electro-technical installation works at buildings
Construction of civil-technical works for electricity and telecommunications
Demolishing
Electro-technical installation works, with the exception of those executed at buildings
Installation of heating, air-conditioning and ventilation
Insulation works
Maintenance of the landscape
Reparations of computers and peripheral devices
Repair of communication devices
Repair of domestic devices and of equipment used in house and in the garden
Implementation in buildings or in other projects of building of: thermal insulation materials, acoustic and antivibrating insulation materials
Work of insulation of pipes for heating or cooling
Work of insulation of coolers or refrigerated warehouses
Maintenance and repair of computers and peripherical computer equipment
Maintenance and repair of account machines and other office machines
Repair of household appliances
Working by stock removal of metals
Repair of electronic and optical equipment
Repair of electronic devices
Installation of industrial machines, devices and equipment
Construction of residential buildings
Construction of office buildings
Construction of other types of non-residential buildings
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.
Drilling, turning, countersinking, shaving, planing, lapping, broach, dressing, sawing, grinding, sharpening, etc. of metallic pieces
Development, assembling and maintenance of control systems in non stop industrial process
Development, assembling and maintenance of automatic production units, including several machines, handling equipments and appliances for centralized control
Installation of secondary power supply systems (electrical generators)
Realization of individual houses' carcass
Destruction of buildings and other kind of buildings