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analysis, beaker, bottle, chemical, chemicals, chemistry, compound, dangerous, discovery, equipment, experiment, factory, flask, glass, glassware, hazard, hazardous, hydroxide, industrial, industry, lab, laboratory, liquid, manufacturing, material, object, potassium, potassium hydroxide, powder, product, raw, reaction, research, risk, scale, science, scientific, scientist, substance, technology, test, tube, warning, white,