Ключевые слова: alternative, art, banner, bio, brain, cable, color, colorful, concept, conservation, contour, danger, eco, ecology, electric, electricity, energy, green, hazard, home, house, human, icon, isolated, label, lamp, leaf, led, light, line, linear, outline, package, pop, popart, power, recycle, recycling, set, shopping, sign, sticker, symbol, tag, toxic, turbine,