For each mass storage device type for which more than one mass storage device exists, a device type menu is provided including menu items corresponding to each of {HEAD ~ the mass storage devices} of {TAIL ~ the device type} 
For each mass storage device type for which more than one mass storage device exists , a device type menu is provided including menu items corresponding to each of { HEAD ~ the mass storage devices } of { TAIL ~ the device type }
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL