Ключевые слова: analysis, beaker, biochemistry, biotechnology, blue, chemical, chemicals, chemistry, closeup, development, drop, drug, environment, equipment, experiment, flask, fluid, glass, glassware, grass, hand, health, holding, knowledge, lab, laboratory, liquid, medical, medicine, microbiology, object, oil, pharmaceutical, pharmacology, pharmacy, research, sample, science, scientific, study, technology, test, tool, transparent, tube,