This invention pioneers an enhanced crawling mechanism and technique called \u201cEnhanced Browser Based Web Crawling\u201d. Also provided is a method of determining the genotoxic effect of various environmental agents and drugs by assaying isolated cells to determine the coordination between alleles following in-vivo andor in-vitro exposure to the various agents. The image forming section is located above or below the scanner section with a space section provided therebetween and is configured to perform image formation processing on a recording medium based on the image information read. Another method includes forming a fillerflux mixture; applying the fillerflux mixture; and heating the fillerflux mixture to bond the solder filler to the aluminum body part. The functional goal of a Secure Handheld Network Access Device is to provide a bidirectional wireless RF communication interface to Security Devices, based upon IEEE Standard 802. altitude, temperature and humidity are derived.