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TROMEL16_artículoClara

Prévia do material em texto

                                                               

Coltan: el silencio de una guerra
          
        
       
    
          
          
       
         
       
         
           
      
   
           
        
        
     
          
       
         
        
   
        
       
      
        
     
      
        
           
 
       
        
         
       
           
        
      
       
        
          
        
          
       
         
          
          
 
         
          
         
           
  
 
        
           
          
         
           
          
        
         
      
        
         
        
          
       
       
        
        
      
          
         
  
         
                                                              

          
       
        
      
           
          
           
        
         
          
          
          
        
         
      
        
        
        
        
        
          
          
          
 
   
        
            
         
         
       
          
    
 
       
      
         
         
         
        
         
           
          
             
       
          
      


       
          
          
          
            
        
         
        
      
          
         
   
           
         
       
        
         
         
        
   
                     
                        
       
                   
                       
 
                   
              
                 
                        
                       

                    
                                                              


 
            
       
       
        
        
         
        
       
        
       
 
          
       
         
         
         
         
         
       
         

 
           
       
     
   
          
        
          
         
       
          
   
        
         
         
       
       
       
      
       
         
        
        
    

 
         
         
      
       
                   
                      
                         
                   
 
                       
                  
 
                    
 
                                                              

         
       
        
        
       
     
         
        
        
         
     
       
        
         
       
       
         
          
        
        
           
   
 
       
          
          
        
          
           
         
           
         
          
       
    


      
        
       
        
        
          
        

        
       
         
        
      
          
           
       

       
         
        
      
       
        
       
      
          
 
          
       
         
        
         
      
         
          
         
       
        
   
                         
    
    

                      
           

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