| http://www.w3.org/ns/prov#value | - However, there is a limit to time for which a UPS can supply power to a computer system. [0006] Therefore, if a power failure continues for time longer than time for which a UPS can supply power (that is to say, when electric charges stored in a UPS run out), the supply of power to a computer system is stopped and data and an application which are now used or displayed will be damaged.
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