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