Building of conveyance, distribution and water disposal networks
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
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.
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 of blinds and florentine blinds
Other work of n.e.s. installation, including accessories installation
Work of general installation
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
Window cleaning
Chimney sweeping and cleaning of hearths, ovens, incinerators, boilers, air ducts and smoke removal appliances
Construction of distribution facilities for water and gas
Construction of sewerage systems
Construction of civil-technical works for liquids
Plumbing works
Installation of heating, air-conditioning and ventilation
Insulation works
Retail trade in sanitary products and sanitary installation materials in specialised shops
Other types of cleaning of buildings; industrial cleaning