Canal constructionDemolition worksDewatering worksDredgingDyke constructionEarthworksOutdoor facilitiesProcessing of building materialsRenaturationUnderground construction
Agricultural buildingBricklayingCanal constructionConcrete worksDemolition worksDewatering worksDredgingEarthworksIndustrial construction and hall buildingNatural stone worksPaving worksReinforced concrete worksShellStructural engineeringUnderground construction