{HEAD ~ The dimensions} of {TAIL ~ the open end} 48 are selected so that it fits within the opening in the front of the system unit 12 which was for a disk drive having a particular form factor 
of
{ HEAD ~ The dimensions } of { TAIL ~ the open end } 48 are selected so that it fits within the opening in the front of the system unit 12 which was for a disk drive having a particular form factor
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH