A heat equalizer includes a container structure, a material feed pipe, and a heating mechanism. In some embodiments, the fire pump system includes a power take-off pump, which is configured to operate a water only system or a compressed-air foam system from a gear case of the fire pump. A flap member is connected to and repositionable on the external surface of the package member. The entered sequence and timing elementare compared with stored values and access is granted only if the entered and stored values match.