A parallel processing system and method for performing processing tasks in parallel on a plurality of processors breaks down a processing task into a plurality of self-contained task objects, each of which has one or more \u201cdata-waiting\u201d slots for receiving a respective data input required for performing a computational step. A KVM switch for switching among a plurality of computers includes a movement detector, control unit, and a switch unit. The fuel tank is separated from the interior walls of the vault.