వాడుకరి మార్గదర్శక పుస్తకం

40
  
 
      
, O (Q)
.
  
  
.
1  
 .
    
  
.
K

2  
 .
O (Q)   .    
;   
    
O (Q)    .  
 , K .
O
(
Q
) 
A 
         
 (0 248),       (0 249), 
    (0 248),    
.