EE WAS USING A LIFTING CABLE WITH SHAKE OUT HOOKS TO REMOVE PLANKS FROM LOWBOY DECK. EE HOKED 1 CABLE TO A PLANK, OTHER 3 CABLES WERE WOOSE AND NOT SECURED. ONE LOOSE CABLE CAUGHT ON BEAM AND WHEN EE TIGHTENED UP HOOK IN PLANK, HOOK THAT CAUGHT ON BEAM CAME LOOSE AND STRUCK HIM IN THE FACE.