Effectiveness of the sterilizer, for example a steam autoclave is determined in three ways. The UV sterilizer will also kill free-floating bacteria in the pond water. Surviving bacteria are killed by UV sterilizer stage. Within the sterilizer, water flows as close as possible to the ultraviolet light source. Some models may include features such as a UV Sterilizer. If the process kills this microorganism, the sterilizer is considered to be effective. The Anderson-Barngrover Co. manufactured a sealed can rotary pressure sterilizer and the Sprague-Sells Co. Off the kitchen is the wash room for linen, with stationery bus and sterilizer. In dry heat, in a sterilizer for 1 hour works for rice, for instance. Before entering politics, he worked at General Electric and the American Sterilizer Company. Products using hydroprene include Gencor, Gentrol, and Raid Max Sterilizer Discs. He later took a job with American Sterilizer Co, now STERIS Corporation.