bn:14734822n
Noun Concept
Categories: Fire detection and alarm, American inventions
EN
fire alarm system  Audio Evacuation System  Fire alanm  fire alarm  fire alarm systems
EN
A fire alarm system is a building system designed to detect and alert occupants and emergency forces of the presence of smoke, fire, carbon monoxide, or other fire-related emergencies. Wikipedia
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EN
A fire alarm system is a building system designed to detect and alert occupants and emergency forces of the presence of smoke, fire, carbon monoxide, or other fire-related emergencies. Wikipedia
A system, that works using multiple devices to warn of an emergency. Wikidata