Manual copy machine:
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Closing the laptop cover, Opening
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Communication room, computer noise
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Turn off the hard drive, Turn on
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Laser printer
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Room noise, write, read, Hard disk
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Computer mouse movement
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Closes the CD / DVD tray, Opens, disc read
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Old computer keyboard
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Floppy disk reading
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The USB flash drive is inserted, removed
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Computer interface, signal read information
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Manual copy machine
★★★★★