NFPA 17A establishes requirements for the design, installation, and maintenance of wet chemical fire extinguishing systems, which are typically found in commercial kitchens & industrial applications. These systems extinguish fires involving cooking oils, fats and grease by discharging a specially designed extinguishing agent that cools and prevents re-ignition at a rapid pace. NFPA 17... https://kukubooks.com/product/nfpa-17a/