Computer interface, alarm:
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Photocopy (photocopy)
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Opens, closes the CD / DVD tray, disc read
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Computer noise, Communication room
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Input error sound, Pressing a keypad
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Disc read, CD / DVD drive
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Turn off the hard drive, Turn on
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Floppy disk reading
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Opens, closes the CD / DVD tray
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Computer interface, signal read information
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Old computer keyboard
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Closing the laptop cover, Opening
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Manual copy machine
★★★★★