Ключевые слова: background, blue, bright, clean, climate, close, concept, conservation, control, dark, electric, electrical, electricity, energy, green, grey, hand, home, house, household, idea, illustration, interior, isolated, lamp, life, light, modern, object, off, open, panel, plastic, room, save, silver, simple, solar, straight, sun, switch, technology, texture, turn, up, wall, white, wind,