{HEAD ~ A screw feed arrangement} permits {TAIL ~ the foam sheet material} to be advanced past a planar surface where a very thin slice of foam material can be removed 
permits
{ HEAD ~ A screw feed arrangement } permits { TAIL ~ the foam sheet material } to be advanced past a planar surface where a very thin slice of foam material can be removed
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH