Abstract: At 8:45 a.m. on July 21, 2021, an employee working as an electrician apprentice for a flour mill was assisting a coworker performing preventative maintenance (PM) on the Great Western Manufacturing HS Free Swinging Sifters, Numbers 8, 9, 10 and 11, on the fourth floor of a new mill. While The employee was attempting to perform PM on sifter number 10, she needed to climb on top of the sifter. The employee was having trouble adjusting the belt, so the coworker assisted by climbing onto the sifter. The employee was working from the opposite side of the sifter from the coworker where the ladder was placed. The employee fell approximately 7 feet to the concrete floor below. The employee was hospitalized to treat multiple injuries including broken ribs, a punctured lung and back injuries.