A power consumption management system includes power consumption managers and a power supply manager. The bike mount includes arms that pivot apart to receive a bicycle wheel and pivot together to cooperatively hold the bicycle wheel. During simulation of the model, code can be generated for the bus signal having a complete definition independent of other components of the graphical model. Turn ON timing of each semiconductor switch is when there is a reverse current through the switch and voltage across the switch is at or near zero. A combination writing and correction instrument that combines a disclosed eradicating fluid and a combination eradicable and re-write ink is also disclosed. The beam to lattice structure orientation is determined, at least in part, by directing a divergent ion beam at the workpiece and finding the angle of the aspect of the divergent beam that implants ions substantially parallel to crystal planes of the workpiece, and thus causes a small amount of damage to the lattice structure.