The pressing operation shapes {HEAD ~ the main portion} of {TAIL ~ the glass} and offsets the reform area from the general surface curvature of the main glass portion 
The pressing operation shapes { HEAD ~ the main portion } of { TAIL ~ the glass } and offsets the reform area from the general surface curvature of the main glass portion
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH