Dish washing machine that includes a steam generator, which supplies steam during a washing operation, to aid in the washing of dishes and other items in the dish washing machine. The dish washing machine further including one or more dish washing racks that effectively orient the dishes, and other items to be washed, in such a way so as to avoid inhibiting the steam from being evenly distributed around each of the dishes and other items to be washed. The dish washing machine also including a steam zone indicator to aid in effectively positioning the dishes and other items to be washed by visually distinguishing the region or zone within the dish washing machine that corresponds with high-intensity steam.