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