Computer interface, signals:
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Removed, The USB flash drive is inserted
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Manual copy machine
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Closes the CD / DVD tray, Opens
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Closes the CD / DVD tray, disc read, Opens
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Turning on the laptop, shutting, fan noise
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Computer simulated laser
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Franking machine
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Environmental sounds, Office work, typewriter
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Turn on, turn off the old computer
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Turn on, turn off the old monitor
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Repeatedly pressing a computer mouse
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Matrix printer
★★★★★