EE WAS WORKING IN THE GARAGE AREA CHANGING STEEL IN THE TOP OF A CRUSHER. HE CLIMBED ON TOP OF THE TOP OF THE CRUSHER WITH A BAR TO ADJUST THE POSITION OF THE LINER. WHILE TRYING TO PRY THE LI NER, THE BAR SLIPPED AND HE LOST HIS BALANCE AND FELL ABOUT 3 1/2' ONTO THE CONCRETE FLOOR.