Ключевые слова: accumulator, alternative, art, bank, bolt, box, cabinet, cable, car, charge, coal, color, colorful, contour, danger, device, electric, electrical, electricity, energy, equipment, icon, idea, illustration, industry, isolated, lamp, light, lightning, line, linear, mark, outlet, outline, pack, panel, plug, pop, popart, portable, power, rosette, set, socket, sun, technology, triangle, turbine,