Emp. was repairing BE 495II shovel. Metal 1"" thick, with the dimensions of 48"" long by 32"" tapering to 16"", was being used for the repairs. Metal shifted and slid off supporting tabs and beam. The plate fell and struck Emp's. left forearm and then his wrist. On 3/30/2009 Emp. was examined by NM Orthopedics and it has been determined he fractured his left wrist.