{HEAD ~ The unloading station} includes {TAIL ~ a door moving mechanism} for moving the doors of the vehicle to the open position upon its arrival at the station 
includes
{ HEAD ~ The unloading station } includes { TAIL ~ a door moving mechanism } for moving the doors of the vehicle to the open position upon its arrival at the station
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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