{TAIL ~ The docking bay} replaces {HEAD ~ either a hard disk drive} or a floppy disk drive in the personal computer 
{ TAIL ~ The docking bay } replaces { HEAD ~ either a hard disk drive } or a floppy disk drive in the personal computer
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH