Ключевые слова: bin, black, bottle, box, bucket, building, contaminate, contamination, defective, dirty, dross, dump, ecological, ecology, environment, factory, garbage, icon, illustration, industry, infect, management, nature, offal, pollute, pollution, raffle, rancid, recycle, refuse, rubbish, save, sewage, sign, sweepings, swill, symbol, tank, thailand, trash, truck, tube, ulcerated, waste, wastewater, wastrel,