{HEAD ~ The display board} has {TAIL ~ a frame} defined by top, bottom and side extrusions and corner members joining the extrusions together, utilizing channels arranged in the extrusions, and hangers slideably fixed in the extrusion channels which are adapted to be secured in channels when properly oriented therewith 
has
{ HEAD ~ The display board } has { TAIL ~ a frame } defined by top , bottom and side extrusions and corner members joining the extrusions together , utilizing channels arranged in the extrusions , and hangers slideably fixed in the extrusion channels which are adapted to be secured in channels when properly oriented therewith
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH