Arranged inside the belt are {HEAD ~ a heater} and an inner roller which are forced at {TAIL ~ respective pressures} to the outer roller through the belt 
are forced at
Arranged inside the belt are { HEAD ~ a heater } and an inner roller which are forced at { TAIL ~ respective pressures } to the outer roller through the belt
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH