Ключевые слова: background, bin, bio, blue, bottle, box, can, clean, collect, color, colorful, concept, conserve, container, discard, disposal, ecology, environment, environmental, garbage, glass, green, isolated, litter, metal, natural, object, outdoor, paper, park, plastic, pollution, protect, recycle, recycling, red, refuse, reuse, rubbish, segregate, separate, separation, sign, street, symbol, trash, urban, waste, white, yellow,