Carbon Dioxide Systems, NFPA 12; these systems are used in complete flooding purposes in Areas that are not habitable, as carbon dioxide is harmful
Reduced Human Intervention: Automatic systems operate without the need https://patch.com/north-carolina/raleigh/classifieds/gigs-services/467764/safeguarding-lives-and-property-all-american-fire-protections-quarter-century-of-excellence