THE FIRE ALARM SYSTEMS DIARIES

smoke, bring about a fire sprinkler. Most fire sprinkler heads occur Geared up having a glycerin-stuffed glass bulb. Because the glycerin heats up mainly because of the warmth from a fire beneath, it expands, shatters the glass bulb, and triggers the sprinkler head. The fire sprinkler change senses this stream of water and transmits a sign towards