An oblique system could be both equally automatic and handbook, depending upon the form of suppression getting used. Condensed Aerosol Fire-Extinguishing Systems, NFPA 2010; these systems use a combination of https://patch.com/north-carolina/raleigh/classifieds/gigs-services/467764/safeguarding-lives-and-property-all-american-fire-protections-quarter-century-of-excellence