Photocopy (photocopy):
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Floppy disk reading
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Computer interface, signals
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Computer interface, alarm
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Pressing a keypad, input error sound
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Removed, The USB flash drive is inserted
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Insert the disk into the drive, read the
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Manual copy machine
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Office work, general noise
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Franking machine
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Repeatedly pressing a computer mouse
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Turning on the computer, shutting, fan noise
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Computer simulated laser
★★★★★