Ключевые слова: analysis, bottle, burn, chemical, chemicals, chemist, chemistry, container, danger, dangerous, destroy, develop, discovery, education, equipment, experiment, factory, flammability, flammable, fuel, glass, hazard, hazardous, industrial, industry, information, knowledge, lab, label, laboratory, liquid, manufacturing, material, mix, poison, research, risk, safety, sample, science, scientist, solution, study, substance, symbol, test, tube, warning, water,