PRESENT SYSTEM, 



00 





 fc 



O 



W 



(* 



H 

 H 



H I- 1 



o O 1 



H U 



03 ffi 



H 



H O 



fr-l [r, 



M ' 



& f 



S 1 



jo ' 



5 -5 



O m 



a 2 



'-i 



:H&> 



III. 



