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