Fire extinguishing apparatus, namely, fire extinguishing apparatus using water or water mist, fire hose nozzles; nozzles and other nozzle spraying devices for fire extinguishing apparatus; storage containers specifically designed for fire extinguishing media for use with fire extinguishing apparatus; sprinkler systems for fire protection, comprising, fire sprinklers; fire alarms, smoke and heat detectors, electric alarm bells and warning bells; fire control panels and signaling panels; gauges...