Photocopy (photocopy):
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Office work, general noise
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Removed, The USB flash drive is inserted
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Signals, Computer interface
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Computer simulated laser
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Computer mouse click
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Read, room noise, write, Hard disk
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Communication room, computer noise
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Pressing a keypad, input error sound
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Jet printer
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Computer interface, alarm
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Computer mouse movement
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Floppy disk reading
★★★★★