Turn on, turn off the old monitor:
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Computer interface, signal read information
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Photocopy (photocopy)
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Turning on the computer, shutting, fan noise
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Turn on, turn off the hard drive
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Turn on, turn off the old computer
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Computer keyboard
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General noise, Office work
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Franking machine
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Opens, disc read, closes the CD / DVD tray
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Disc read, CD / DVD drive
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Insert the disk into the drive, read the
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Closing the laptop cover, Opening
★★★★★