EE was attempting to cut open a Bulk Bag of Rock Dust. He was holding onto the top of the bag with his Left Hand, and using his Right Hand to operate the safety utility knife. he made a quick upward motion with the knife to cut the bag open, and did not realize his Left Wrist was in the Line of Fire of the knife. He punctured the blade into his Left Wrist, 3 sutures to close wound.