संदर्भ मैनुअल

285
N 
  
:
     
4
  
 

 




5

 

    


   
  1  3 
1  7  

;  
  
  
 

6


 ,
    
   
   
  

  3–5  
    
    
   
, O  (  
 , O  


  
; 
)