flRER NINE - NINTER 



100- 



200 



a 



300- 



400 - 



500 



20 



— L- 



25 



10 15 20 



TEMPCRRTURE (C) 



— T" 

 25 



30 

 -i-0 



-100 



-200 



-300 



-400 



-500 



30 



Figure B.34. 



176 



