Electronic warning bells; virtual reality goggles; cinematographic machines and apparatus; cameras; webcams; accelerometers; gyrocompasses; motion detectors; telemeters; vibration sensors; chargers for batteries; solar cells; electric batteries; electric wires and cables; cellular phones; microphones; navigational apparatus for automobiles; radios; sound recording apparatus; speakerphones; telephones; videophones; smartphones; camcorders; computers; recorded computer operating programs; downl...