Black Sand

Black Sand

Prese Presented nted to: Prof. Prof. Salah Salah El-Mofty

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                       

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

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      

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              

          

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                     

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       

  













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                          >          

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                                                       

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   

       

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      

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        

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         

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        

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    

     

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

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                           

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                     

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