The method 1, wherein {HEAD ~ the shaping rollers} are each driven by a shaft extending through a hollow center of {TAIL ~ the associated delivery roller} 
The method 1 , wherein { HEAD ~ the shaping rollers } are each driven by a shaft extending through a hollow center of { TAIL ~ the associated delivery roller }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL