EMPLOYEE WAS LOADING A SHOT. HE PUT 4 BAGS IN THE HOLE AND THREW THE BAGS BEHIND HIM. HE WENT TO GET ANOTHER BAG WHEN HE STEPPED IN A HOLE COVERED UP BY AN EMPTY BAG. THE EMPLOYEE WAS TAKEN TO JEFFERSON MEMORIAL HOSPITAL WHERE A SPRAIN WAS REVEALED. EMMPLOYEE WAS GIVEN MEDICATION AND PUT ON RESTRICTED ACTIVITY.