Apparatus comprising an implement for extracting charges of uniform size of articles from a mass of the articles and delivering the charges to a receiver. A restraining system is operable to restrain a portion of the user’s skin distal from the target area of the skin. As a result, few excess electrons are available to combine with metal ions to form localized metal precipitate at the metal wire. The directory assistance service also can provide information regarding other subscribers having similar characteristics to the unavailable number that the caller is attempting to reach.