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 {HEAD ~ each} of {TAIL ~ the mass storage devices} of the device type 
of
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 { HEAD ~ each } of { TAIL ~ the mass storage devices } of 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 HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH