Office work, general noise:
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Computer interface, signals
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Signal read information, Computer interface
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Franking machine
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Computer mouse click
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Computer simulated laser
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Turning on the computer, shutting, fan noise
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Shutting, fan noise, Turning on the laptop
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Turn on, turn off the old monitor
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Interference, Modem connection, signal
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Manual copy machine
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Disc read, CD / DVD drive
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Closes the CD / DVD tray, disc read, Opens
★★★★★