   
PC-,   
 .

   
PC-,   
 .



.                
. 
.          1
.     
.      
                        

 

.               
.       ,
                       
                        
                       
 (Cabbage)    
   
 .   
  .  
    
,   
,     , 
   
 .

  (Guinea pig ) 
,  .
   
,   
 .



   
   
,   
.