Old computer keyboard:
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Write, Hard disk, read, room noise
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Manual copy machine
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Disc read, closes the CD / DVD tray, Opens
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Signal read information, Computer interface
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Floppy disk reading
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The USB flash drive is inserted, removed
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Insert the disk into the drive, read the
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Shutting, fan noise, Turning on the computer
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Pressing a keypad, input error sound
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Computer noise, Communication room
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Old computer keyboard
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Computer simulated laser
★★★★★