Ключевые слова: accumulator, ampere, art, battery, bio, cable, car, charge, charging, color, colorful, connect, contour, eco, ecology, electric, electricity, energy, environment, fuel, green, icon, illustration, indicator, isolated, leaf, level, line, linear, low, meter, multimeter, nature, outline, plug, pop, popart, power, recycle, renewable, set, sign, socket, station, symbol, technology, vehicle,