Turn on, turn off the old computer:
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Jet printer
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Fan noise, shutting, Turning on the laptop
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Computer keyboard
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Disc read, closes the CD / DVD tray, Opens
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Photocopy (photocopy)
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Repeatedly pressing a computer mouse
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Computer interface, signal read information
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Franking machine
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Disc read, CD / DVD drive
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Computer mouse click
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General noise, Office work
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Opening, closing the laptop cover
★★★★★