Ключевые слова: canal, chemical, corrosion, danger, dirty, disaster, dump, ecology, energy, environment, factory, fatal, flowing, garbage, global, industrial, industry, influence, liquid, natural, nature, old, outdoors, pipe, pipeline, pollution, power, problem, refinery, river, rusty, sewage, stream, substance, technology, toxic, tube, unhygienic, urban, warming, waste, water, waterfall, withdrawal,