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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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