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