EMPLOYEE WAS CUTTING MOUNTING BOLTS WITH TORCH, ON A CONVEYER HEAD FRAME. EE USED A FRONT END LOADER WITH A JIB (BOOM) ATTACHMENT TO HELP SUPPORT THE HEAD FRAME. THE HYD ON THE LOADER WAS BLEE DING OFF AND THE JIB ATTACHMENT WAS NOT PROPERLYATTACHED TO THE LOADER. THE JIB WAS CAUGHT ON THE STEEL WORK IT WA TO SUPPORT, ALLOWED THE JIB TO FALL IN THE BACK OF THE HEAD. 6 STITCHES.