In the panel system 24, wherein {HEAD ~ said extrusion member} securing said tray has {TAIL ~ a flanged channel} for receiving said tray flange members 
has
In the panel system 24 , wherein { HEAD ~ said extrusion member } securing said tray has { TAIL ~ a flanged channel } for receiving said tray flange members
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH