Ключевые слова: above, background, box, cardboard, carton, collection, conscious, container, disposable, disposal, earth, eco, ecological, ecology, environment, environmental, garbage, group, heap, industry, junk, many, material, object, organic, paper, pollution, protect, protection, recycle, recycling, refuse, reusable, reuse, rubbish, sheet, sorting, table, trash, used, utilization, view, waste, wooden, world,