1. Would have been chemically treated and killed after the washdown , 2. In the 1960s, Demaco pioneered the sanitary extruder for washdown food plants. 3. Horsley went through a hazardous material washdown at Tanner Medical Center in Carrollton as a precaution. 4. A washdown is usually a manual operation and is designed to kill bacteria and other micro-organisms. 5. Washdown is the process of using a stream of water to clean a flat or nearly flat outside surface.6. Hart says there was also a washdown system for the chicken that involved a " floor drain and grinders. 7. In an effort to expand the Torbal line, Fulcrum introduced industrial weighing scales, moisture analyzers, and washdown scales. 8. These machines are labeled " full washdown ", and must have every part and component specified to survive the washdown environment. 9. These machines are labeled " full washdown ", and must have every part and component specified to survive the washdown environment. 10. Meanwhile, the feed-chute washdown had generated a large cloud of steam in adjoining furnaces, causing temperatures and air pressure to drop.