A wheelchair step lift for used in conjunction with {HEAD ~ a vehicle} having {TAIL ~ an opening} and a floor opening, the lift comprising: 
having
A wheelchair step lift for used in conjunction with { HEAD ~ a vehicle } having { TAIL ~ an opening } and a floor opening , the lift comprising :
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH