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