Thus, releasing the synthetic resin sheet from the embossing surface and forming {HEAD ~ an undercut} in {TAIL ~ the synthetic resin sheet} 
in
Thus , releasing the synthetic resin sheet from the embossing surface and forming { HEAD ~ an undercut } in { TAIL ~ the synthetic resin sheet }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL