Ключевые слова: asia, bangladesh, canal, chemical, city, danger, dhaka, dirt, dirty, disposal, drain, drainage, dump, ecology, environment, environmental, factory, fatal, garbage, heap, industry, junk, life, liquid, natural, onuchcha, pile, pipeline, plant, plastic, polluted, pollution, problem, recycle, recycling, river, rubbish, rural, rusty, sanitary, sewer, substance, technology, toxic, trash, unhygienic, urban, warming, waste, water,