Afrikanisch-amerikanischer Teenager mit Hut hält Megafon in der Hand, während er isoliert auf blau spricht - Stockfoto & -bild

Portrait of smiling attractive Asian woman engineer over concrete wall background

Young handsome engineer latin man wearing safety helmet over isolated blue background very happy and excited doing winner gesture with arms raised, smiling and screaming for success. Celebration concept.

Young male architect in front of the whiteboard

Young handsome engineer latin man wearing safety helmet over isolated blue background looking stressed and nervous with hands on mouth biting nails. Anxiety problem.