Pedometers; Telescopes; Bicycle helmets; Bicycle speedometers; Chronographs for use as specialized time recording apparatuses; Depth gauges; Dust protective goggles and masks; Magnifying lenses; Probes for testing semiconductors; Safety tarpaulins; Sound recording apparatus and instruments; Temperature sensors; Underwater cameras; Waterproof survival suits for the prevention of drowning; Wireless transmitters and receivers