Ключевые слова: abstract, background, black, blue, business, button, circle, click, computer, concept, control, design, electric, electrical, electricity, electronic, element, energy, equipment, graphic, hardware, icon, illustration, internet, isolated, light, modern, notebook, object, off, pc, power, press, push, round, shape, shiny, shutdown, sign, start, stop, style, switch, symbol, technical, technology, turn, web, website,