Ключевые слова: bag, bin, black, bottle, clean, concept, dirty, discard, disposal, dust cloud, ecology, environment, foam, garbage, garbage bag, green, hand, hold, home, house, household, housework, idea, junk, keep, litter, management, nature, object, outside, pack, plastic, pollution, protect, protection, recycle, recycling, reduce, refuse, reuse, rubbish, save, throw, throwing, trash, trash can, used, volunteer, waste, world,