The stylus and {HEAD ~ cutter} are positioned on {TAIL ~ first and second guides} which are connected by a tie bar 
The stylus and { HEAD ~ cutter } are positioned on { TAIL ~ first and second guides } which are connected by a tie bar
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH