832-394367 - Young laboratory assistant with food sample works in a laboratory with laboratory equipment, Freiburg, Baden-Wuerttemberg, Germany, Europe
832-394361 - Young lab technician with sample on petridish working in a lab with lab equipment and protocol, Freiburg, Baden-Wuerttemberg, Germany, Europe
832-394395 - Result of a laboratory examination, chromatography in the hand of a chemist in the laboratory, food control examination, Freiburg, Baden-Wuerttemberg, Germany, Europe