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