{HEAD ~ A vehicular wheelchair step lift} for {TAIL ~ persons} who are physically challenged or otherwise have limited mobility 
for
{ HEAD ~ A vehicular wheelchair step lift } for { TAIL ~ persons } who are physically challenged or otherwise have limited mobility
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH