Ключевые слова: 10, arrows, battery, black, cad, cadmium, care, code, concept, conservation, cycle, design, dispose, eco, ecological, ecology, element, environment, graphic, icon, illustration, isolated, junk, logo, mobius, natural, ni, nicd, nickel, pictogram, pollution, product, protection, recycle, recycled, recycling, reuse, rotate, shape, sign, symbol, trash, triangle, triangular, waste, white,