The sealing assembly further includes {HEAD ~ a first edge roller} which operatively contacts {TAIL ~ the support roller} so as to urge the first enclosure sheet into contact with the second enclosure sheet 
operatively contacts
The sealing assembly further includes { HEAD ~ a first edge roller } which operatively contacts { TAIL ~ the support roller } so as to urge the first enclosure sheet into contact with the second enclosure sheet
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH