{HEAD ~ The tray} 20 is moved away from {TAIL ~ the side wall} 42 to enable the mounting protrusions 421 to be separated from the mounting openings 221 
is moved away from
{ HEAD ~ The tray } 20 is moved away from { TAIL ~ the side wall } 42 to enable the mounting protrusions 421 to be separated from the mounting openings 221
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH