Building plumbingBuilding technology/ building services (building automation)CleaningElectrical installationHeatingPipeline constructionRemediation worksRenewable energiesSanitarySolar panelsTiles and panelsVentilation
Assembly worksBricklayingCarpentry worksFaçade worksIndustrial construction and hall buildingInsulationPlumbing workRemediation of hazardous substances / Asbestos abatementRemediation worksRoof sealRoofing worksStoves and fireplacesWindowsWooden construction