{HEAD ~ A bidirectional guide system} for {TAIL ~ an axle} on a road vehicle guided by a guide rail , the guide system comprising: 
{ HEAD ~ A bidirectional guide system } for { TAIL ~ an axle } on a road vehicle guided by a guide rail , the guide system comprising :
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH