| http://www.w3.org/ns/prov#value | - By way of example only, FIG. 2 illustrates a hard disk drive 216 that reads from or writes to non-removable, nonvolatile magnetic media, a magnetic disk drive 218 that reads from or writes to a removable, nonvolatile magnetic disk 220, and an optical disk drive 222 that reads from or writes to a removable, nonvolatile optical disk 224 such as a CD ROM or other optical media.
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