3 EE'S WERE REPLAICNG HAMMER TIPS ONT HE CEDAR RAPIDS HAMMER MILL. EE WAS SITTING ON TOP OF THE OPEN LID OF THE MILL WHILE ANOTHER EE WAS ROTATING THE MILL BY HAND USING A LARGE PIPE WRENCH ON T HE FLY WHEEL. THE HAMMERS WERE AT THE TOP OF THE ROTATION AND THE WRENCH WAS BEING REPOSITIONED WHENT HE HAMMERS FELL OVER CENTER AND ROTATED BACK ONTO EE S FOOT THAT WAS STICKING OUT OVER