{HEAD ~ These tray locking members} 50 wedge against {TAIL ~ the flat side} 51 of the extrusion 37 to secure the tray 15 in position and prevent it from sliding from side to side 
wedge against
{ HEAD ~ These tray locking members } 50 wedge against { TAIL ~ the flat side } 51 of the extrusion 37 to secure the tray 15 in position and prevent it from sliding from side to side
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL 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