Ключевые слова: adult, analysis, assistant, background, bacteria, beakers, biochemistry, biology, biotechnology, blue, blurred, chemical, closeup, discovery, dish, drug, equipment, experiment, female, flasks, fluid, gloves, hands, health, industry, lab, laboratory, light, liquid, medicine, microbiology, microscope, person, petri, pharmacology, pharmacy, pouring, research, sample, science, scientist, study, substance, table, test, tube, virus, woman, working, young,