Ключевые слова: background, bin, blue, box, can, city, classification, clean, cleanup, collect, color, colorful, container, dirty, disposal, dustbin, eco, ecological, ecology, environment, environmental, garbage, green, junk, litter, modern, object, outdoor, paper, park, plastic, pollution, public, recycle, recycling, refuse, residential, reuse, rubbish, separate, sort, sorting, street, symbol, throw, throwing, trash, urban, waste, yellow,