THE BOLTER OPERATOR HAD BENT A BOLT DURING INSTALLATION. THEY CUT ABOUT HALFWAY THROUGH THE BOLT AND BEGAN PUSHING IT TO BREAK IT OFF. THE EMPLOYEE GRABBED THE BOLT FROM THE OTHER SIDE AND BEGAN PULLING TO ASSIST THE OPERATOR. THE BOLT BROKE CAUSING THE EE TO FALL BACKWARDS AND THE PLATE ON THE BOLT STRUCK THEIR ARM BETWEEN THE WRIST AND FOREARM CAUSING A LACERATION.