Self-rescue apparatus, namely, self-contained breathing units; measuring and control devices for oxygen breathing units; pressurizing respiratory breathing air cylinders used by emergency personnel, comprising [ an air compressor assembly, drive motor, air purifiers, ] air storage cylinders, and automatic controls; thermal imaging cameras; face mask for breathing for non-medical purposes; [ safety garments for use by firefighters, industrial workers, first responders, and military personnel; non-medical respirator equipment, namely, stationary and mobile air charging station; ] personnel locator and recovery device programmed to use global positioning system (GPS) and cellular telecommunications; Electronic devices for assisting emergency personnel for people needing assistance comprised of sensors for determining status of person and apparatus for sending electronic alerts to emergency personnel; Respirators other than for artificial respiration; filters for respiratory masks; gas masks; [ portable and fixed gas detectors; portable and fixed flame detectors; ] air purifying breathing equipment for non-medical purposes; computer hardware and software system for tracking equipment and assets using GPS data on a device on the tracked equipment and assets; [ software for gas and filter selection management; ] and non-medical respiratory equipment, namely, bottled air cart; none of the aforesaid goods for sports or sporting activities