Ключевые слова: alcohol, biotechnology, chemical, chemical industry, chemical laboratory, chemistry, color, container, danger, dangerous, discovery, equipment, experiment, factory, fire, flame, flammable, flammable liquid, flammable sign, flammable symbol, fuel, gas, gasoline, glass, hazard, hazardous, industrial, industry, lab, label, laboratory, laboratory equipment, liquid, oil, research, risk, science, scientific, scientist, set, smoke, solution, substance, symbol, test, testtube, tube, warning, warning label,