{HEAD ~ The hard disk drive} in {TAIL ~ the cartridge} is of a form factor smaller than that of the disk drive which it replaces 
in
{ HEAD ~ The hard disk drive } in { TAIL ~ the cartridge } is of a form factor smaller than that of the disk drive which it replaces
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH