Ключевые слова: background, bin, bottle, clean, collection, concept, conservation, container, disposal, dog, earth, echo, ecological, ecology, empty, environment, environmental, garbage, green, industrial, industry, junk, litter, metal, nature, nobody, object, paper, plastic, pollution, protection, recycle, recycling, refuse, reuse, reusing, rubbish, scrap, trash, waste, white,