Ключевые слова: alcohol, analysis, apparatus, biology, brown, burn, burner, button, chemical, chemistry, container, design, education, equipment, experiment, fire, flame, flat, gas, glass, glassware, heat, icon, illustration, instrument, isolated, lab, laboratory, lamp, liquid, object, research, science, scientific, sign, spirit, square, symbol, test, tool, torch, transparent, tube, wick, wood, wooden,