Building technology/ building services (building automation)Carpentry worksConstruction materialsFaçade worksRemediation of hazardous substances / Asbestos abatementRemediation worksSanitarySolar panelsWooden construction
Assembly worksBricklayingCarpentry worksFaçade worksIndustrial construction and hall buildingInsulationPlumbing workRemediation of hazardous substances / Asbestos abatementRemediation worksRoof sealRoofing worksStoves and fireplacesWindowsWooden construction