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      Fake vs Frontline-Ready Face Masks: How does a medical face mask go through quality checks?
      

      
Source: Xinhua|
Published: 2020-02-28

      

      
      
             
      
        
      
        
      
          
        
      
      
      
      
      
      

      
      
      
      
                        
      Fake vs Frontline-Ready Face Masks: We take you inside a lab in NW China's Shaanxi to take a peek at the product's tough quality control process.
      
  

      
 
            
      
      

      

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