Ключевые слова: adult, analysis, assistant, background, bacteria, beaker, biochemistry, biology, biotechnology, blue, chemical, chemistry, closeup, discovery, dripping, drug, equipment, experiment, female, flasks, fluid, gloves, hands, health, industry, lab, laboratory, light, liquid, medicine, microbiology, person, pharmacology, pharmacy, pipette, research, sample, science, scientist, study, substance, table, technology, test, tube, tubes, virus, white, woman, young,