Building technology/ building services (building automation)Cable layingCommunication technologyDry constructionElectrical installationFire protectionLighting systems
BricklayingDemolition worksDoors and gatesDry constructionElectrical installationFaçade worksGarden and landscape constructionHeatingJoinery worksNatural stone worksPainting worksPlasteringTiles and panelsVentilationWindows