{HEAD ~ The bracket} is in {TAIL ~ turn} affixed to the ends of two lower slide bars and one upper slide bar arranged in a triangular configuration 
is in
{ HEAD ~ The bracket } is in { TAIL ~ turn } affixed to the ends of two lower slide bars and one upper slide bar arranged in a triangular configuration
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH