Halon Systems, NFPA 12A; these systems were being banned because of the Montreal Protocol inside the late nineteen eighties—any system is a legacy system mounted just before this ban pursuing the detection phase, the https://patch.com/north-carolina/raleigh/classifieds/gigs-services/467764/safeguarding-lives-and-property-all-american-fire-protections-quarter-century-of-excellence