TWO EMPLOYEES WERE IN THE FUEL TRUCK HEADING FOR THE NEWEST & LOWEST RAMP IN THE PIT WHEN THE FUEL TRUCK LOST ITS BRAKES. BOTH EMPLOYEES JUMPED OUT OF THE TRUCK. ONE SUSTAINED AN INJURY TO HIS LEFT WRIST & THE OTHER SUSTAINED LACERATIONS TO HIS RIGHT ELBOW. THE FUEL TRUCK ENDED UP DRIVING ONTO THE MUCK PILE & STOPPED.