Ключевые слова: accident, acid, care, chemical, chemistry, clean, compress, corrosive, danger, dangerous, destroy, dirty, domestic, education, environment, factory, glass, glove, hand, health, hold, hurt, hydroxide, industry, infection, information, ingredient, lab, laboratory, long, medicine, nitric, positive, product, protect, reaction, research, risk, safety, scar, science, skin, sodium, test, treatment, tube, warning, wash, water, wet,