The lift includes a platform structure which is mounted to {HEAD ~ an elevator frame} which is then mounted to {TAIL ~ an elevator housing} for vertical movements of the platform structure 
is mounted to
The lift includes a platform structure which is mounted to { HEAD ~ an elevator frame } which is then mounted to { TAIL ~ an elevator housing } for vertical movements of the platform structure
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH