Firefighters wear Personal Alert Safety System (PASS) alarms as a crucial safety measure to protect them in hazardous environments. These devices are designed to monitor a firefighter's movement and emit a loud, piercing alarm if the wearer remains motionless for a specified period, typically around 30 seconds. This feature is vital in situations where a firefighter may become incapacitated or trapped, as the alarm helps their team quickly locate and rescue them. PASS alarms provide an additiona