In particular, the present invention relates to {TAIL ~ a technique} of managing {HEAD ~ the machine difference} of each guided vehicle 
In particular , the present invention relates to { TAIL ~ a technique } of managing { HEAD ~ the machine difference } of each guided vehicle
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH