A bar clamp assembly configured to be secured to a structure through a fastener includes a bar clamp, a securing base, and a fastener retention member. The method may comprise providing at least one database having stored data associated with the Location, providing a function for enabling the stored data in the database to be searched, providing a function for selectively displaying a set of display data based on the stored data, and providing a function for comparing the set of display data to actual data found at the Location. In this method, the first information and the second information are embedded in the image as invisible or less visible electronic watermarks, and are added to components of said image that are less easily discerned by a human’s eyes. The circuitry component may include a carbon ink resistor printed onto the conductive trace. Each computer is configured for originating and for receiving files.