A cold gas dynamic spray system is provided that includes a powder feeder for providing a metallic powder. The invention also relates to a corresponding method for operating such a portable welding arrangement. The harness houses the capturing means and includes means for protecting the capturing means from the aquatic environment. A method for preparing a sustained-release polymeric microparticles containing a poorly water-soluble drug is provided. The participating application is then launched for use by a user. The method includes the acts retrieving and interpreting the Web cookie data, retrieving and interpreting the telephone history data, combining the data sets into a single data record eliminating redundant data, formatting the data record for human or for machine interpretation, and presenting the formatted data record to a point of service during or just ahead of an associated interaction event.