Opening, closing the laptop cover:
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Closes the CD / DVD tray, Opens, disc read
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Closes the CD / DVD tray, Opens
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Computer mouse movement
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Computer keyboard
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Turning on the computer, shutting, fan noise
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The USB flash drive is inserted, removed
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Franking machine
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Alarm, Computer interface
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Manual copy machine
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Photocopy (photocopy)
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Opening, closing the laptop cover
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Computer simulated laser
★★★★★