Ключевые слова: beaker, black, box, brain, caution, chemistry, concept, creative, danger, design, electric, electrical, electricity, energy, equipment, experiment, flask, glass, glassware, hand, hazard, head, human, icon, idea, illustration, industry, innovation, intelligence, isolated, laboratory, liquid, medical, panel, power, radiation, radioactive, red, risk, set, sign, switch, symbol, technology, test, triangle,