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