A method and a system for distributing data. The staple or nail gun and the cap feeding device are generally disposed at opposite ends of the handle of the staple or nail gun. The products may further comprise a preservative selected from sorbate preservatives, benzoate preservatives, and mixtures thereof. The information is then converted into baseband information. Also, the malfunction of various home appliances, caused by electromagnetic interference, can be prevented by decorating the interior walls of the home using the electromagnetic wave shielding wallpaper.