EE WAS TURNING THE RING GEAR ON A VERY LARGE DIFFERENTIAL CHECKING THE LASH. AS HE TURNED THE GEAR HIS RIGHT INDEX FINGER WAS PINCHED BETWEEN THE SCREW HEADS HOLDING THE GEAR AND THE DIFFERENT IAL HOUSING. EE HAD AN OPEN AVULSION REQUIRING SUTURES AND FRACTURED FINGER TIP. IS A MECHANIC AND CANNOT USE HIS RT. HAND AND WILL BE OFF WORK UNTIL CLEARED TO USE HAND.