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