Office work, general noise:
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The USB flash drive is inserted, removed
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Insert the disk into the drive, read the
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Alarm, Computer interface
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Communication room, computer noise
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Turn on, turn off the hard drive
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Franking machine
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Office work, typewriter, environmental sounds
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Manual copy machine
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Computer interface, signals
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Bios, Sound signal of a bios computer
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Closing the laptop cover, Opening
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General noise, Office work
★★★★★