Custodian - A smoke detector is critical for the early detection of a fire in your home/office and could mean the difference between life and death. In a fire, smoke and deadly
![A firefighter with the F.E. Warren Air Force Base, Wyo., Fire Department takes his air tank and mask off the evening of March 9, 2016, outside of the 90th Missile Wing headquarters A firefighter with the F.E. Warren Air Force Base, Wyo., Fire Department takes his air tank and mask off the evening of March 9, 2016, outside of the 90th Missile Wing headquarters](https://c8.alamy.com/comp/PAEH60/a-firefighter-with-the-fe-warren-air-force-base-wyo-fire-department-takes-his-air-tank-and-mask-off-the-evening-of-march-9-2016-outside-of-the-90th-missile-wing-headquarters-building-the-fire-department-responded-to-a-fire-alarm-after-the-custodian-smelled-smoke-in-the-building-us-air-force-photo-by-rj-oriez-PAEH60.jpg)
A firefighter with the F.E. Warren Air Force Base, Wyo., Fire Department takes his air tank and mask off the evening of March 9, 2016, outside of the 90th Missile Wing headquarters
![when dumpster diving pays off. - #21 by firealarmguy1143 - Fire Alarm General Discussion - The Fire Panel Forums when dumpster diving pays off. - #21 by firealarmguy1143 - Fire Alarm General Discussion - The Fire Panel Forums](https://cdn.thefirepanel.com/original/2X/1/1c767b4956ed37e936fb3bc9bd1a9ad53e0f149f.jpeg)