SCOOP OPERATOR USING CLAW SCOOP WITH HELP OF TIMBERMAN SETTING CANS FOR SUPPLEMENTAL SUPPORT, THE TIMBERMAN PUT MATERIAL UNDER CAN WHILE SCOOP WITH CLAW HELD IT TO SET IT STRAIGHT. AFTER THE CAN WAS SET, TIMBERMAN WENT BACK TO SECURE IT TO TOP & BOTTOM. SCOOP OPERATOR MOVED SCOOP OUTBY & THEN TRAMMED TO OPPOSITE SIDE OF ENTRY. THE CAST CAN FELL TOWARDS TIMBERMAN HITTING HIS KNEE.