Opening, closing the laptop cover:
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Office work, general noise
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Floppy disk reading
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Read the, Insert the disk into the drive
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Closing the laptop cover, Opening
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Computer mouse movement
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Turn off the hard drive, Turn on
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Turning on the computer, fan noise, shutting
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Closes the CD / DVD tray, Opens, disc read
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Turn off the old monitor, Turn on
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Opens, closes the CD / DVD tray
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Communication room, computer noise
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Read, room noise, Hard disk, write
★★★★★