CD / DVD drive, disc read:
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Computer keyboard
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Opening, closing the laptop cover
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Office work, general noise
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Franking machine
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Computer simulated laser
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Turn on, turn off the old monitor
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Floppy disk reading
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Computer interface, signals
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Turn on, turn off the old computer
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Jet printer
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Closes the CD / DVD tray, disc read, Opens
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Write, room noise, Hard disk, read
★★★★★