Ключевые слова: belt, business, cardboard, computer, conservation, conveyor, cube, disposal, ecological, electronic, environment, environmental, factory, garbage, indoors, industrial, industry, landfill, machine, manufacturing, material, motion, nobody, old, packaging, paper, pile, plant, process, recycle, recycling, renewable, reusable, rubbish, scrap, site, stack, technology, trash, used, waste,