Manual instruction

158
hi
hi
    
 ,   .
,   
      
          !
       !
 ,   ,      
.
            ,     
         .
      -  
   
     -  .
         -  .
  
         !
      !
 
   !
  
  

 
      
      
 
            
.
  ( ,  ,  )  -     
    
     :
        ◌   10 

               
         .
              
 
    .
      

      
     :        .
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