Ключевые слова: background, bin, bio, blue, box, can, clean, collection, color, colorful, concept, conservation, conserve, container, disposal, dump, earth, eco, ecology, environment, environmental, garbage, glass, green, icon, litter, material, metal, nature, object, outdoor, paper, park, plastic, pollution, protect, recycle, recycling, red, refuse, reuse, save, segregate, separate, sign, symbol, trash, urban, waste, yellow,