Laser printer:
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Opening, closing the laptop cover
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Computer interface, signal read information
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Read, write, Hard disk, room noise
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Floppy disk reading
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Disc read, CD / DVD drive
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Environmental sounds, typewriter, Office work
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Computer interface, signals
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Repeatedly pressing a computer mouse
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Fan noise, Turning on the computer, shutting
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Turn on, turn off the old computer
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Computer mouse movement
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Modem connection, interference, signal
★★★★★