Canal constructionDemolition worksEarthworksGarden and landscape constructionOutdoor facilitiesPipeline constructionRoad constructionUnderground construction
Building technology/ building services (building automation)Canal constructionCleaningHeatingPipeline constructionPlumbing workRemediation worksSanitary
Canal constructionCivil engineeringEarthworksIndustrial construction and hall buildingPaving worksRoad constructionShellStructural engineeringUnderground construction