Asian female chemist in protective face mask, medical hat and gloves examining vial with chemical during laboratory research
Chest up shot of Asian male chemist in protective face mask, medical hat and gloves examining purple chemical in vial while working in laboratory
Asian chemist in protective face mask, medical hat and gloves examining blue chemical in test tube and making notes while conducting scientific experiment in laboratory
Tilt down shot of Asian scientist in protective face mask, medical hat and gloves writing down results of experiment in laboratory
Male chemist wearing protective mask, medical hat and gloves using microscope and taking notes at workplace in laboratory
Chemist running an experiment in laboratory and using different chemical agents. Scientist in protective overall, mask and face screen
Medium shot of Asian female scientist in protective face mask, medical hat and gloves pouring blue chemical with pipette into test tube during laboratory experiment
Female chemist in sterile gloves, protective glasses and white coat examining chemicals under microscope while doing experiment in laboratory
chemist is working with dangerous chemicals in laboratory, scientist is dressed protective gown and mask
Asian male chemist in protective gloves examining chemical in glass while conducting laboratory research
Three people in protective suits and masks using dropper and chemical and conducting experiment in laboratory
confident skilled male chemist in uniform and protective mask conducting chemical experiments with liquids in evening lab