Indoor air pollution and the quality of the air pollution problem in the city is the world worst issue 2 from the report name. Places that suffered the most pollution in the world (the World Worst Polluted Places) [1] of the Institute of ล็กส Mitsubishi brand bath (Blacksmith Institute) in 2008, according to a report of the World Health Organization (WHO) in 2014 to take air pollution, about 7 million people, lives, people around the world in 2012 [
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