Air conditioningAssembly worksBuilding technology/ building services (building automation)Electrical installationHeatingSanitarySolar panelsVentilation
Assembly worksBricklayingCarpentry worksFaçade worksIndustrial construction and hall buildingInsulationPlumbing workRemediation of hazardous substances / Asbestos abatementRemediation worksRoof sealRoofing worksStoves and fireplacesWindowsWooden construction