The plastic is allowed to harden in step 58 and {HEAD ~ the molded optical element} is removed from the mold at {TAIL ~ step} 60 
is removed at
The plastic is allowed to harden in step 58 and { HEAD ~ the molded optical element } is removed from the mold at { TAIL ~ step } 60
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH