In an additional embodiment of the invention, {HEAD ~ the glass} is shaped and reformed in {TAIL ~ a single operation} 
is shaped in
In an additional embodiment of the invention , { HEAD ~ the glass } is shaped and reformed in { TAIL ~ a single operation }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL