In addition, the method includes re injecting low density gas from a hole penetrating the hermetically sealed disk enclosure from an exterior of the disk drive to {HEAD ~ an interior} of {TAIL ~ the disk drive} 
In addition , the method includes re injecting low density gas from a hole penetrating the hermetically sealed disk enclosure from an exterior of the disk drive to { HEAD ~ an interior } of { TAIL ~ the disk drive }
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 OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL