{HEAD ~ The articulated trackway sections} permit engagement of {TAIL ~ a carrier} and subsequent pulling of the carrier from the descending elevator 
{ HEAD ~ The articulated trackway sections } permit engagement of { TAIL ~ a carrier } and subsequent pulling of the carrier from the descending elevator
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH