That sounds like a good way to get the outside cleaned. Good hint.
Senior Master Sergeants Scott Wilcox and Scott Gomer straighten headstones May 15 at the Fort Sam Houston National Cemetery in San Antonio. This process aligns and straightens all the headstones and prepares the cemetery for funerals and the upcoming Memorial Day weekend. Sergeants Gomer and Wilcox are assigned to the Air Force News Agency in San Antonio. (U.S. Air Force photo/Tech. Sgt. Larry A. Simmons)