Old computer keyboard:
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Closes the CD / DVD tray, Opens
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Typewriter, environmental sounds, Office work
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Photocopy (photocopy)
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Turn on, turn off the old computer
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Computer keyboard
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Closes the CD / DVD tray, Opens, disc read
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Shutting, Turning on the computer, fan noise
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Signals, Computer interface
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CD / DVD drive, disc read
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Closing the laptop cover, Opening
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Pressing a keypad, input error sound
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Double click computer mouse
★★★★★