Office work, general noise:
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Communication room, computer noise
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Pressing a keypad, input error sound
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Office work, general noise
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Matrix printer
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Manual copy machine
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Photocopy (photocopy)
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Opens, disc read, closes the CD / DVD tray
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Turn on, turn off the hard drive
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Double click computer mouse
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Repeatedly pressing a computer mouse
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Computer simulated laser
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Turn off the old monitor, Turn on
★★★★★