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Thread: Thailand Air Pollution problems
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Old Jan 16, 2019, 10:55 am
  #13  
glennaa11
 
Join Date: Jan 2006
Location: DCA/IAD
Programs: most of them
Posts: 3,283
apparently you can't just "wash" the fine particles out of the air
https://www.quora.com/Can-rain-wash-...r-a-short-term
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