Geballter gutaussehender Profi in Schutzkleidung mit Helm, der aufmerksam im Rechenzentrum arbeitet - Stockfoto & -bild

Worker wearing safety equipment, man making small hole in ceramic pot by drill,, working with mechanic tool for repairing and maintenance

Builder in a protective helmet with a tablet for writing in his hand is standing on the roof of a building overlooking the buildings Construction architecture business engineer at a construction site

Handsome young man holding architectural plan and smiling while shooting video with smartphone and professional camera

Adult man in helmet and waistcoat demonstrating workshop of power station to mature inspector making notes on tablet