9 Diving, snorkeling, scuba and underwater activities equipment, namely, air tanks, hoses as part of scuba air tanks, heater packs as a component of scuba air tanks, scuba air tank covers, scuba diving regulators, scuba tank gauges for measuring contained gas pressure, scuba harness in the nature of buoyancy wings, buoyancy compensator devices for divers, back plates, lift devices in the nature of lift bags which allow gas to be added to increase net buoyancy, life rafts, weight release systems to allow a user to drop or release secured dive weight while the user is underwater, weight systems primarily composed of a combination of weight pockets, tabs, hook and loop fasteners, buckles, snaps, fasteners and dive weights, lift bags, rebreathers, alert markers in the nature of buoys, Electric warning lights, battery packs, valves sold as a component of scuba air tanks, snorkels, masks, weight belts, surface marker buoys, Electronic display interfaces, diving gloves, scuba diving mask accessories in the nature of connectors for cameras, lights, straps, life support systems or helmets, dive flags, device battery chargers for lights, gauges, computers, cameras, rebreathers, sensors, propulsion devices, tools, drones, sensors, navigation devices and scientific devices; Protection and safety apparatus, namely, inflatable flotation devices; Stage bottle rigging kits primarily composed of scuba air tanks, regulators, buoyancy compensators, masks, harnesses, tools, gauges, lights; Nose clips for divers and swimmers; Bags specially adapted for scuba gear, namely, air tanks; hose units sold as a part of scuba air tanks; tank bands sold as a part of scuba air tanks; harness pads sold as a part of scuba air tanks; Safety harnesses, other than for vehicles or sports purposes; Manifolds sold as a part of scuba air tanks; battery packs for powering underwater electronic devices, tools and equipment