Ключевые слова: ac, background, battery, black, brain, business, button, computer, contour, current, design, education, electric, electrical, electricity, electronic, electronics, energy, game, gaming, icon, idea, illustration, isolated, lamp, light, line, linear, monitor, notebook, outlet, outline, pc, plastic, plug, power, rosette, schematic, screen, set, silver, source, supply, symbol, technology, voltage,