Opens, closes the CD / DVD tray, disc read:
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Franking machine
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Disc read, Opens, closes the CD / DVD tray
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Closes the CD / DVD tray, Opens
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Turn off the old monitor, Turn on
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Sound signal of a bios computer, bios
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Computer mouse click
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Manual copy machine
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Shutting, fan noise, Turning on the laptop
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Read, room noise, write, Hard disk
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Insert the disk into the drive, read the
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Shutting, Turning on the computer, fan noise
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Turn off the old computer, Turn on
★★★★★