  | 
          
            This is a file from the  Wikimedia Commons. Information from its  description page there is shown below.  Commons is a freely licensed media file repository.  You can help. 
           | 
         
        
        
       
        
         
          
           | Description | 
           
             Deutsch: Nafion-Polymer 
            | 
          
          
           | Date | 
           03.01.2009  (3 January 2009 (first version); 2 January 2009 (last version)) | 
          
          
           | Source | 
           Transferred from  de.wikipedia; transferred to Commons by  User:Leyo using  CommonsHelper.  (Original text:  Roland1952) | 
          
          
           | Author | 
           Roland1952. Original uploader was  Roland1952 at  de.wikipedia | 
          
          
           Permission ( Reusing this file) | 
           
             Released under the  GNU Free Documentation License. 
            | 
          
         
         
         Licensing 
        
         
            | 
          Permission is granted to copy, distribute and/or modify this document under the terms of the  GNU Free Documentation License, Version 1.2 or any later version published by the  Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled  GNU Free Documentation License.  http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue 
           | 
         
        
        
        
       File usage
       
        The following pages on Schools Wikipedia link to this image (list may be incomplete):
        
        
       
       This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.
        
       
      All five editions of Schools Wikipedia were compiled by SOS Children's Villages. SOS Children works in 133 countries and territories across the globe, helps more than 62,000 children, and reaches over 2 million people in total. Sponsoring a child is the coolest way to help.