Ключевые слова: abstract, brain, button, cog, concept, contemplation, creativity, design, engine, engineering, face, gear, head, human, icon, idea, illustration, imagination, industrial, innovation, inspiration, intelligence, invention, isolated, label, learning, lightbulb, machine, man, mind, people, pictograph, profile, science, sign, silhouette, solution, symbol, technology, think, web, wisdom,