A slide that can slide vertically on a bracket fixed to {TAIL ~ the dish}, carries {HEAD ~ a bolt} that can be turned to move the slide up and down 
A slide that can slide vertically on a bracket fixed to { TAIL ~ the dish } , carries { HEAD ~ a bolt } that can be turned to move the slide up and down
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH