Ключевые слова: box, bundle, bundles, cardboard, compressed, concept, conservation, crumbled, decrease, discontinuous, disposal, dispose, ecology, energy, environment, environmental, fluctuating, garbage, growing, increasing, industry, mixed, newspapers, pack, package, packed, packing, paper, pile, piled up, recovered, recycle, recycled, recycling, reduce, resources, reuse, rubbish, scrap, stack, stacked, superimposed, trash, used, waste, wastepaper,