Ключевые слова: background, box, boxes, cardboard, carton, center, conservation, disposal, ecology, environment, environmental, friendly, garbage, industrial, industry, litter, manufacturing, pack, package, packaging, paper, pile, piled, plant, pollution, processing, recycle, recycled, recycling, reduce, reusable, reuse, rubbish, stack, stacked, storage, trash, used, waste, wastepaper,