Ключевые слова: analyzing, background, beaker, beauty, biochemistry, biology, chemical, chemistry, colors, conical, development, equipment, experiment, flask, glass, healthcare, holder, horizontal, hygiene, industry, isolated, label, laboratory, liquid, measuring, medical, medicine, nobody, objects, on, paths, people, reflection, research, sample, science, scientific, solution, specimen, sterilize, studying, technician, technology, test, two, water, white, woman, years,