The conveying route comprises first rails and {HEAD ~ second rails}, extending in {TAIL ~ the different directions} and intersecting each other 
extending in
The conveying route comprises first rails and { HEAD ~ second rails } , extending in { TAIL ~ the different directions } and intersecting each other
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH