The base is adapted and positioned to deform the thermoplastic sheet upon entering {HEAD ~ the cavity} by making the thermoplastic sheet first contact {TAIL ~ the bottom portion} of the wall 
The base is adapted and positioned to deform the thermoplastic sheet upon entering { HEAD ~ the cavity } by making the thermoplastic sheet first contact { TAIL ~ the bottom portion } of the wall
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH