Ключевые слова: bin, bins, black stream, blue, brazil, can, clean, collect, color, colorful, concept, conservation, container, dial, disposal, dump, dustbin, ecological, ecology, environment, environmental, garbage, glass, green, metal, organic, paper, pedestrian street, pick out, plastic, pollution, recycle, recycling, red, reuse, safety, separate, so paulo, symbol, trash, trash bin, trash can, trash can recycle, urban, waste, yellow,