Ключевые слова: black, blackboard, brainstorm, brainstorming, bright, bulb, chalk, chalkboard, concept, conceptual, creative, creativity, drawing, electric, electrical, electricity, energy, filament, generator, glowlamp, hand, idea, ideas, illumination, illustration, incandescent, innovation, invention, lamp, lettering, light, lightbulb, row, set, shine, sketch, solution, spiral, success, team, teamwork, technology, text, think, thinking, tungsten, word, yellow,