The third roll has a non resilient surface that engages {HEAD ~ the element} to form {TAIL ~ a second nip therebetween} 
The third roll has a non resilient surface that engages { HEAD ~ the element } to form { TAIL ~ a second nip therebetween }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL