Ключевые слова: abstract, background, business, button, click, close, closeup, computer, connect, control, electric, electricity, electronic, end, energy, green, hardware, high, icon, internet, isolated, key, keyboard, led, light, macro, modern, new, no people, notebook, object, off, office, pc, personal, power, press, push, red, round, sign, start, stop, switch, symbol, system, technology, up,