As shown in FIG 7, {TAIL ~ adjustment means} may be provided for adjusting {HEAD ~ the spacing the rollers} 45, 46 of each roller set 43 in order to acommodate workpieces having different thickness 
As shown in FIG 7 , { TAIL ~ adjustment means } may be provided for adjusting { HEAD ~ the spacing the rollers } 45 , 46 of each roller set 43 in order to acommodate workpieces having different thickness
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH