Ключевые слова: black, blue, board, bright, button, color, colored, concepts, control, controlled, decoration, display, efficiency, electric, electrical, electricity, electronics, energy, environment, equipment, green, illuminated, indoors, keypad, led, letter, lighting, lights, lumen, macro, modern, multi, object, off, on, orange, power, red, remote, resistor, rgb, shiny, stripper, supply, switch, symbol, technology, white, yellow,