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