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