Ключевые слова: artificial lighting, back to school, blackboard, brainstorming, bright, bulb, chalkboard, classroom, concept, connect, creative idea, creativity, day, education, educational, educator school, electricity, enlightenment, examiner, formal, genius, girl, idea, idea symbol, ingeniously, innovation, insight, inspiration, knowledge, lamp, lamp light, light, light up, lighting, modern, plug in, satisfied, school, school teacher, shiny, smart, solution, speaker, student, teach, teacher, turn on, woman, work, working,