دليل مرجعي (التعليمات الكاملة)

 
  
  
    

     .      


.
    :
       60%
           




     50 °    −10 °.

  

 
    .   .
 

         .
 
               .
              

   
  .
 :
               .  
         .
  
                
 .                
        .        
        .
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 