Young lab technician with mouth guard and sample in tube working in a lab with refrigerator, Freiburg, Baden-Wuerttemberg, Germany, Europe

baden wurttemberg baden wuerttemberg central europe check clothes clothing electric devices electric device electric good employed engineers engineer europe examinations examination examine examining face masks face mask female lab assistants female lab assistant female laboratory chemist fridge german federal republic germany health household appliances household appliance inspect investigate job lab assistants lab assistant laboratories laboratory chemist laboratory labor labour lab middle europe mouth protection occupation professions profession protecting protection protective protect refrigerators refrigerator samples sample scrutinise scrutinize southern germany south germany technician testing test tubes tube working clothes working workwear work young