9 Rescue apparatus and instruments, namely, tripods and stands for use in extrication and chains and cases sold as a unit therefor; bags specifically designed for oxygen regulators, sold empty; metal hardware for use in rescue and escape, namely, [carabiners, metal pulleys, metal window anchors, screw links, mounting brackets for lifts and winches,] tripod chains and bags therefor; rescue kits comprised of stretchers, and deployment and extrication gear, featuring stretchers, extrication collars, weights, tripods, winches, helmets, window anchors, instructional videos, instruction cards, carabiners, blankets, harnesses, slings, tag lines, belay lines, ascenders, descenders, stirrups, rope pads, rope guards, straps, handles, and packs, bags and cases therefor; [equipment for ascent and descent during rescue, namely, anchors, harnesses, anchor slings, lanyards and anchorage connectors;] signaling and marking kits featuring chemical lights, signal mirrors, fabric panel markers, whistles, erasers, blankets, packing lists, instruction cards, pouches, straps, and pens