Ключевые слова: abstract, aluminium, background, blue, button, circle, closeup, computer, dental, design, detail, electrical, electricity, end, energy, equipment, grey, hardware, industrial, laptop, lattice, led, macro, metal, off, online, onoff, part, pc, plate, power, powerbutton, powered, powerful, poweron, press, push, round, shutdown, silver, stand, standby, start, startup, stop, supply, switch, symbol, technology,