EE WAS IN THE PROCESS OF CHANGING A TIRE ON SHUTTLE CAR. HE JACKED THE CAR UP THE LENGTH OF THE JACK, BLOCKED UP THE CAR, AND LET THE JACK DOWN TO ADD BLOCKING UNDER THE JACK TO JACK THE CAR U P HIGHER. WHILE JACKING UP THE CAR, THE CAR STARTED SLIDING TOWARD THE EE. HE ATTEMPTED TO STEP BACK OUT OF THE WAY WHEN HE SLIPPED AND FELL ON THE BLOCKING. THE CAR FELL OFF THE BLOCKING AND