Ключевые слова: abstract, activate, audio, black, blue, button, circle, click, closeup, computer, dark, detail, eco, electrical, electricity, electronic, energy, hardware, he, hifi, icon, laptop, led, metal, metallic, off, onoff, pc, power, power button, power off, power on, powered, press, push, saving, shutdown, stand by, standby, start, startup, stereo, stop, switch, symbol, technology, turn off, turn on,