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2. Dive light - Wikipedia

   en.wikipedia.org/wiki/Dive_light

   Early underwater lights were fixed electric flood lamps or portable lamps with dry batteries for use by divers in standard diving dress. [3] Siebe Gorman & Company Ltd developed a model of portable lamp with a parabolic lens and attached to the divers corselet via a ball and socket joint allowing the diver to use both hands while working. [3]

3. Electrofishing - Wikipedia

   en.wikipedia.org/wiki/Electrofishing

   The electricity causes muscle spasms that damage the vertebrae. For unknown reasons, [5] this is more common and severe in longer fish. [6] Due to the conductivity of saltwater, electrofishing is not an effective tool for catching saltwater fish, as the electricity travels through the water, rather than through the fish. [7]

4. Diving equipment - Wikipedia

   en.wikipedia.org/wiki/Diving_equipment

   Underwater writing slates and pencils are used to transport pre-dive plans underwater, to record facts while underwater and to aid communication with other divers. Dive lights , which are usually waterproof and pressure rated torches or flashlights , are essential for safety in low visibility or dark environments such as night diving and wreck ...

5. Fishing light attractor - Wikipedia

   en.wikipedia.org/wiki/Fishing_light_attractor

   Fish are most attracted to true-green light colors, and LEDs do the best job of illuminating this color. A fishing light attractor is a fishing aid that uses lights attached to structures above water or suspended underwater to attract fish and members of their food chain. Fish are typically most attracted to true-green light colors.

6. Service dog helps boy with rare genetic disorder achieve ...

   www.aol.com/dog-helps-boy-rare-genetic-093038800...

   When a young New York boy was diagnosed with a rare genetic disorder, hope came in an unlikely form — a golden retriever named Yammy. His mother shares the inspiring story with Fox News Digital.

7. Speargun - Wikipedia

   en.wikipedia.org/wiki/Speargun

   A speargun is a ranged underwater fishing device designed to launch a tethered spear or harpoon to impale fish or other marine animals and targets. Spearguns are used in sport fishing and underwater target shooting. The two basic types are pneumatic and elastic (powered by rubber bands). Spear types come in a number of varieties including ...