Methods of generating and expanding proliferative, multipotent connective tissue progenitor cells from adult stem cells are provided. The bus bar is formed in such a manner that a metal plate of which an outer surface is plated with a plating layer is cut along a predetermined cutting plane. Operating the minute driving elements varies a distance of the gap defined between the fixed filter and the movable filter. Using impact ratings associated with relationships between components in the dependency chains of a particular component, the impact of that particular component both on another individual component, and aggregately on an environment, can be determined.