Smoke, set off a fire sprinkler. Most fire sprinkler heads occur Geared up by using a glycerin-crammed glass bulb. Since the glycerin heats up as a result of heat from a fire underneath, it expands, shatters the glass bulb, and triggers the sprinkler head. The fire sprinkler change senses this https://titusbtjyn.vblogetin.com/41088624/5-simple-techniques-for-fire-alarm-systems