BricklayingConcrete worksDry constructionNatural stone worksPaving worksPlasteringReinforced concrete worksScreed workSewage treatment plantsTiles and panelsUnderground construction
Canal constructionCivil engineeringConcrete worksDewatering worksEarthworksIndustrial construction and hall buildingPipeline constructionRoad constructionSpecialised civil engineering workStructural engineeringUnderground construction