Building of transport and distribution lines for electricity
Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
Ground-water lowering and dredging of construction sites
Removal on construction sites
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 blinds and florentine blinds
Other work of n.e.s. installation, including accessories installation
Work of general installation
Assembling of partitions in gypsum
Cleaning with steam, sandblasting and similar activities used on the outside of buildings
Making of repointing works
Setting of foundations, including pile hammering
Making of lifting works for third parties
Assembling and disassembling of scaffoldings and work platforms
Chimney sweeping and cleaning of hearths, ovens, incinerators, boilers, air ducts and smoke removal appliances
Production of electronic parts
Preparing land for construction
Insulation works
Other types of services with regard to information
Other types of cleaning activities
Other types of works with regard to the completion of buildings
Electro-technical installation works at buildings
Plumbing works
Installation of heating, air-conditioning and ventilation
Installation of industrial machines, devices and equipment