In the open position, the doors are located to facilitate {TAIL ~ removal} of the freight from {HEAD ~ the vehicle} 
In the open position , the doors are located to facilitate { TAIL ~ removal } of the freight from { HEAD ~ the vehicle }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD