TRUCK DRIVER GOT OUT OF HIS TRUCK, UNKNOWN TO MINE SUPERVISOR AND STEPPED UP ONTO LOADER. IN THE PROCESS OF CLIMBING ONTO LOADER, THE DRIVER FELL AND CAUGHT THE CORNER OF THE STEP WITH THE INS IDE OF R LEG JUST BELOW THE KNEE CAUSING A PUNCTURE WOUND THAT REQUIRED 2 STITCHES. TRUCK DRIVER HAD PRIOR SITE SPECIFICS.