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