Ключевые слова: beaker, blue, bottle, chemical, chemistry, chromophore, clinical, compound, copper, dangerous, development, discovery, education, equipment, experiment, factory, glass, glassware, hazard, hazardous, industrial, industry, lab, laboratory, liquid, manufacturing, material, methylene, object, product, reaction, research, risk, scale, science, scientific, scientist, solution, solvent, substance, sulfate, technology, test, test tube, thionine, tube, warning, water, white,