Ключевые слова: alternative, building, cement, city, cleaning, cleaving, concrete, conservation, container, discard, disposal, dump, ecological, ecology, energy, environment, environmental, fiber, food, fuels, garbage, hold, holding, hopelessness, industrial, kiln, loading, municipal, natural, outdoors, person, pile, plant, recycle, recycling, rotary, scrap, shredded, sources, stack, state, tank, throw, trash, urban, waste, works,