| http://www.w3.org/ns/prov#value | - By way of example only, FIG. 1 illustrates hard disk drive 141 that reads from or writes to non-removable, non-volatile magnetic media, magnetic disk drive 151 that reads from or writes to removable, non-volatile magnetic disk 152, and optical disk drive 155 that reads from or writes to removable, non-volatile optical disk 156 such as a CD ROM or other optical media.
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