{HEAD ~ A tractor supported and driven tree cutting apparatus} which causes linear movement of a rotary cutter for cutting a tree trunk from {TAIL ~ the side portions} thereof 
{ HEAD ~ A tractor supported and driven tree cutting apparatus } which causes linear movement of a rotary cutter for cutting a tree trunk from { TAIL ~ the side portions } thereof
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH