Turning on the laptop, fan noise, shutting down:
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Computer keyboard
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Opens, closes the CD / DVD tray, disc read
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Read the, Insert the disk into the drive
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Computer simulated laser
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Manual copy machine
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Disc read, CD / DVD drive
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Franking machine
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Double click computer mouse
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Removed, The USB flash drive is inserted
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Floppy disk reading
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Opening, closing the laptop cover
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Turn on, turn off the hard drive
★★★★★