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