The lift moves the platform structure among {HEAD ~ an entry level position} which is at {TAIL ~ the vehicle door} opening, a stowed position which is inside the vehicle, and a ground level position which is outside the vehicle 
The lift moves the platform structure among { HEAD ~ an entry level position } which is at { TAIL ~ the vehicle door } opening , a stowed position which is inside the vehicle , and a ground level position which is outside the vehicle
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH