A performance monitor reports SAN performance so that issues within the SAN are not masked from the client. , wherein different groups of sheet material are processed one after the other, the different groups of sheet material being separated for processing. The development architecture includes a process management tool, a personal productivity tool, a quality management tool, a system building tool, an environment management tool, a program and project management tool, a personal productivity tool and an information management tool. The colored liquids in each interior space are different, thus allowing the bicycle to assume multiple colors. Embodiments of the present invention may provide for an improved user interface which may include enhanced flexibility and enhanced optical characteristics.