Opening, closing the laptop cover:
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Opens, closes the CD / DVD tray, disc read
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Read, room noise, Hard disk, write
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Input error sound, Pressing a keypad
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Manual copy machine
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Turn on, turn off the old monitor
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Computer mouse movement
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Shutting, fan noise, Turning on the computer
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Computer keyboard
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Floppy disk reading
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Repeatedly pressing a computer mouse
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General noise, Office work
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Signal read information, Computer interface
★★★★★