Young lab technician with mouth guard and sample multilayer shell working in a lab with lab equipment, Freiburg, Baden-Wuerttemberg, Germany, Europe

baden wurttemberg baden wuerttemberg central europe check clothes clothing employed engineers engineer europe examinations examination examine examining face masks face mask female lab assistants female lab assistant female laboratory chemist german federal republic germany health inspect investigate job lab assistants lab assistant laboratories laboratory apparatuses laboratory apparatus laboratory chemist laboratory device laboratory labor labour lab middle europe mouth protection occupation professions profession protecting protection protective protect samples sample scrutinise scrutinize shells shell southern germany south germany technician testing test working clothes working workwear work young