A freight removal device moves the freight off of one side of {TAIL ~ the platform} when the doors are moved to {HEAD ~ the open position} 
A freight removal device moves the freight off of one side of { TAIL ~ the platform } when the doors are moved to { HEAD ~ the open position }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD