Various embodiments of the present invention relate to methods, systems and securities for assuring a company an opportunity to sell stock after a specified time. A graphical user interface may be generated by the program-development environment, and displayed on the screen of a computer system. The electrode catalysts may be used in various electrochemical systems, including a proton exchange membrane fuel cell. Media blasting is then used to restore the pads to their original condition as on prime parts. Also provided are methods preparing such compositions and methods for administering such compositions.