a selecting unit to select {HEAD ~ the transport route} which allows {TAIL ~ articles} to be transported from the starting position to a designated target position the fastest as the optimum transport route 
allows
a selecting unit to select { HEAD ~ the transport route } which allows { TAIL ~ articles } to be transported from the starting position to a designated target position the fastest as the optimum transport route
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH