Design, building and installation of piping networks, including a complementary treatment of pipes to realize mainly pipes or networks under pressure
Drilling, turning, countersinking, shaving, planing, lapping, broach, dressing, sawing, grinding, sharpening, etc. of metallic pieces
Test borings, test holes and corings for building and geophysical, geological and similar studies
Making of horizontal drillings for cables or pipes
Setting of antennas and lightning rods
Setting in buildings or other projects of building of: wall recoverings or tiles in ceramic, in concrete or in freestones; floorings and wall recovering in granites, etc.
Cleaning of new buildings and restoring after works
Other works of finishing in buildings n.e.s.
Cleaning with steam, sandblasting and similar activities used on the outside of buildings
Making of repointing works
Assembling and disassembling of scaffoldings and work platforms
Construction of high roads and other types of roads
Laying of floor and wall tiles
Cleaning of frontages
Other types of cleaning of buildings; industrial cleaning