Activates alarm as soon as fastened temperature is reached everywhere along the cable; suited to spots exactly where obtain is tough or hazardous.
Deluge sprinklers—sprinkler heads are normally open plus the pipes https://patch.com/north-carolina/raleigh/classifieds/gigs-services/467764/safeguarding-lives-and-property-all-american-fire-protections-quarter-century-of-excellence