THE INJURED WAS IN THE PROCESS OF BLOCKING UP A 10 SC JOY SHUTTLE CAR. HE WAS USING A SCOOP AND CRIB BLOCKS. AS THE SCOOP PICKED UP THE SHUTTLE CAR, EE PUT CRIB BLOCKS ON THE OFFSIDE OF THE SH UTTLE CAR. THE SC SLIPPED OUT OF THE BUCKET AND STRUCK A CRIB BLOCK CAUSING THE BLOCK TO HIT EE IN THE HEAD.