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4213 - Construction of bridge, tunnelDefinition / Belongs to this divisionThis division includes:
- construction of bridge (including the overpass bridges and overpasses of the elevated motorway)
- construction of tunnel
It does not belong to this sectorThis division excludes:
- installation of lighting and electrical signaling, see 4321
- architectural and engineering activities, see 71.1
- construction project management, see 71.1