Ключевые слова: abstract, analyzing, beaker, biochemistry, biology, biotechnology, blue, bottle, bottles, care, chemical, chemist, chemistry, color, coloured, drop, education, equipment, experience, experiment, experiments, flask, glass, glassware, hand, health, holding, industry, laboratory, liquid, lubricant, medical, medicine, nobody, oil, pharmacology, pharmacy, red, research, science, scientific, scientist, technology, test, tool, tube, tubes, vial, vials, water,