Fascination About fire alarm systems
smoke, set off a fire sprinkler. Most fire sprinkler heads occur Outfitted using a glycerin-filled glass bulb. As the glycerin heats up as a result of warmth from a fire down below, it expands, shatters the glass bulb, and triggers the sprinkler head. The fire sprinkler change senses this movement of h2o and transmits a sign for the fire alarm cont