Ключевые слова: background, bacteria, bottle, canal, chemical, corrosion, cruel, danger, dirty, disaster, dump, ecology, environment, factory, fatal, flowing, garbage, horror, impure, industrial, industry, influence, lake, life, liquid, natural, nature, nobody, plant, plastic, pollute, pollution, problem, repulsive, river, rotting, rubbish, rusty, sewage, smell, stream, substance, toxic, trash, treatment, unhygienic, waste, wastewater, water,