Opens, closes the CD / DVD tray, disc read:
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CD / DVD drive, disc read
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Franking machine
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Shutting, Turning on the laptop, fan noise
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Turn on, turn off the hard drive
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Signal, interference, Modem connection
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Closing the laptop cover, Opening
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Fan noise, Turning on the computer, shutting
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Photocopy (photocopy)
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The USB flash drive is inserted, removed
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Computer keyboard
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Computer mouse click
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Environmental sounds, Office work, typewriter
★★★★★