Ключевые слова: analysis, assistant, background, bacteria, biochemistry, biology, biotechnology, blue, chemical, chemistry, closeup, discovery, drug, equipment, experiment, female, fluid, glass, glassware, hand, health, holding, industry, lab, laboratory, light, liquid, medical, medicine, microbiology, person, pharmaceutical, pharmacology, pharmacy, research, sample, science, scientific, scientist, study, substance, taking, technology, test, tester, tube, tubes, virus, woman,