As is generally well known, the movable tray 40 is configured to carry the optical disk 46 so that it may be removed or inserted into {TAIL ~ the CD/DVD drive} located within {HEAD ~ the base} 13 
As is generally well known , the movable tray 40 is configured to carry the optical disk 46 so that it may be removed or inserted into { TAIL ~ the CD / DVD drive } located within { HEAD ~ the base } 13
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH