Ключевые слова: 20s, 30s, 40s, 50s, beaker, black, caucasian, checking, chemical, chemicals, chemist, chemistry, clinical, colorful, drug, examining, female, glasses, hispanic, indoors, lab, lab coat, laboratory, liquids, looking at camera, looking away, male, man, mature adult, microscope, mid adult, pharmaceuticals, pharmacy, pipette, placing, protection, putting, research, safety glasses, science, scientific, scientist, test tubes, testing, white background, woman, young adult,