Ключевые слова: background, backward, damage, destruction, dirty, disposal, dump, ecology, environment, fill, garbage, heap, hill, household, huge, industry, junk, junkyard, land, landfill, litter, messy, mountain, old, out of date, outdated, pile, plant, plastic, pollute, pollution, recycle, recycling, reduce, refuse, rubbish, sanitary, summer, technology, toxic, trash, treatment, truck, unload, vast, waste,