measuring the transfer data at {TAIL ~ the predetermined transfer position} again, for a guided vehicle which needs measurement of the machine difference data again, to newly determine machine difference data to update {HEAD ~ the transfer data} at each of the transfer positions 
measuring the transfer data at { TAIL ~ the predetermined transfer position } again , for a guided vehicle which needs measurement of the machine difference data again , to newly determine machine difference data to update { HEAD ~ the transfer data } at each of the transfer positions
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH