Self-rescue apparatus, namely, self-contained oxygen breathing units; measuring and control devices for oxygen breathing units; personal safety escape system for exiting from the upper elevation of a building during emergency situations comprising belts, hooks, and anchorage connectors; breathing air cylinders for use in life-saving equipment, other than for artificial respiration, namely, pressurizing respiratory breathing air cylinders used by emergency personnel, comprising air storage cylinders and automatic controls; safety harnesses and belts for use with air cylinders; thermal imaging cameras; infrared cameras; face mask for breathing for non-medical purposes; protective face mask not for medical use; protective face mask, not for medical use, with integrated camera and electronic display; apparatus for transmission of communication; electronic devices for assisting emergency personnel for people needing assistance primarily comprised of sensors for determining status of person and also including apparatus for sending electronic alerts to emergency personnel; supplied air respirators other than for artificial respiration; respirators other than for artificial respiration; respiratory masks not for medical purposes; air tanks, and other component parts for non-medical respirators and oxygen breathing units; gas masks; computer hardware and software for tracking equipment and assets; and non-medical respiratory equipment, namely, bottled air cart; not including any of the aforesaid goods for sports or sporting activities