{HEAD ~ The lower cutter blade} 108 is affixed to a drive wheel 106 having a drive tire 104 on {TAIL ~ the periphery} of wheel 106 
{ HEAD ~ The lower cutter blade } 108 is affixed to a drive wheel 106 having a drive tire 104 on { TAIL ~ the periphery } of wheel 106
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 OTH OTH OTH