2600 



100 200 300 400 500 



LENGTH GROUP MIDPOINT (mm) 



100 200 300 400 500 



LENGTH GROUP MIDPOINT (mm) 



300 600 900 1200 



LENGTH GROUP MIDPOINT (mm) 



300 600 900 



LENGTH GROUP MIDPOINT 



mm) 



Ihk. 



100 



200 400 600 800 



LENGTH GROUP MIDPOINT (mm) 



1000 



100 200 300 400 500 



LENGTH GROUP MIDPOINT (mm) 



600 



Figure 4 continued. 



101 



