In addition, the present invention disclosed {HEAD ~ another method} of reading {TAIL ~ data} on a disk drive 
In addition , the present invention disclosed { HEAD ~ another method } of reading { TAIL ~ data } on a disk drive
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH