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