RUMORED BUZZ ON FIRE ALARM SYSTEMS

smoke, induce a fire sprinkler. Most fire sprinkler heads arrive Geared up having a glycerin-stuffed glass bulb. Since the glycerin heats up mainly because of the warmth from the fire under, it expands, shatters the glass bulb, and triggers the sprinkler head. The fire sprinkler change senses this movement of water and transmits a signal into the f