{HEAD ~ The s shaped movement} of {TAIL ~ the rear pane} 3 means that the gap 16 tapers in the z lifting direction in such a way that it is not possible to free the object 18 by movement in a direction in the xz plane 
of
{ HEAD ~ The s shaped movement } of { TAIL ~ the rear pane } 3 means that the gap 16 tapers in the z lifting direction in such a way that it is not possible to free the object 18 by movement in a direction in the xz plane
HEAD 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH