Hand of a lab technician with wooden stick and sample working in a laboratory with laboratory equipment, Freiburg, Baden-Wuerttemberg, Germany, Europe

1 person baden wurttemberg baden wuerttemberg central europe check clothes clothing employed engineers engineer europe examinations examination examine examining female lab assistants female lab assistant female laboratory chemist females female german federal republic germany hands hand inspect investigate job lab assistants lab assistant laboratories laboratory apparatuses laboratory apparatus laboratory chemist laboratory device laboratory equipments laboratory equipment laboratory labor labour lab middle europe occupation one person persons person professions profession samples sample scrutinise scrutinize single person southern germany south germany sticks stick technician testing test woman women wooden sticks wooden working clothes working workwear work