Building technology/ building services (building automation)Cable layingCommunication technologyData network worksElectrical installationIndustrial construction and hall buildingLighting systemsLightning protectionPhotovoltaicsPlant engineeringRenewable energiesSafety technologySolar panels
BricklayingConcrete worksIndustrial construction and hall buildingPhotovoltaicsReinforced concrete worksReinforcementRoofing worksShellSolar panelsSteel construction