Computer interface, alarm:
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Opens, disc read, closes the CD / DVD tray
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Insert the disk into the drive, read the
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Old computer keyboard
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Communication room, computer noise
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Computer interface, signal read information
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Closes the CD / DVD tray, Opens
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Computer mouse click
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Turn on, turn off the hard drive
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Repeatedly pressing a computer mouse
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Franking machine
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Turning on the computer, fan noise, shutting
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CD / DVD drive, disc read
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