A parking track of a gondola lift or chair lift comprises straight sections and curved sections and {HEAD ~ chains} for driving {TAIL ~ cars} on this track 
for driving
A parking track of a gondola lift or chair lift comprises straight sections and curved sections and { HEAD ~ chains } for driving { TAIL ~ cars } on this track
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH