Computer keyboard:
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Franking machine
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Turn off the hard drive, Turn on
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Closes the CD / DVD tray, Opens
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Opening, closing the laptop cover
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Communication room, computer noise
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Read the, Insert the disk into the drive
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CD / DVD drive, disc read
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Computer interface, signals
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Opens, closes the CD / DVD tray, disc read
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Photocopy (photocopy)
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Alarm, Computer interface
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Pressing a keypad, input error sound
★★★★★