Pressing a keypad, input error sound:
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Shutting, Turning on the computer, fan noise
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Photocopy (photocopy)
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CD / DVD drive, disc read
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Read the, Insert the disk into the drive
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Turn off the old monitor, Turn on
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Turn off the hard drive, Turn on
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Jet printer
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Matrix printer
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Old computer keyboard
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Computer mouse click
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Computer noise, Communication room
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Closing the laptop cover, Opening
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