Applying blowing pressure through {TAIL ~ the embossing dies} and applying a vacuum through {HEAD ~ the undercut shaping portion} 
Applying blowing pressure through { TAIL ~ the embossing dies } and applying a vacuum through { HEAD ~ the undercut shaping portion }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD