Ключевые слова: alienate, big, black, business, calculator, clean, cleaning, concept, cost, crumpled, dangerous, destroy, destruction, dirt, dirty, display, dump, dumping, earth, eco, ecological, environment, garbage, gray, humanity, inscription, market, mess, nature, number, packaging, paper, planet, pollute, pollution, protection problem, question, red, resource, responsibility, sign, symbol, value, waste,