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