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