Increased selectivity of middle distillate and increased catalyst activity are obtained in a hydrocracking process by the use of a catalyst containing a hydrogenation component, a beta zeolite having an overall silica to alumina mole ratio of less than 30 and a SF6 adsorption capacity of at least 28 wt-%, a Y zeolite having a unit cell size of from 24. The reactive material liner may be configured and formulated to increase the velocity of the projectile after formation thereof. In one embodiment, the third and fourth switches are in opposite states, where immediately prior to the third switch transitioning from an off state to an on state, the second switch and the fourth switch are on. The disclosure also describes automatic methods for distributing the ring tone files based on a trigger event, which may be, a one-step menu selection or a pre-determined time. Locations for the first and second portions could vary with content.