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2. Bug zapper - Wikipedia

   en.wikipedia.org/wiki/Bug_zapper

   An outdoor bug zapper. A bug zapper, more formally called an electrical discharge insect control system, electric insect killer or (insect) electrocutor trap, is a device that attracts and kills flying insects that are attracted by light. A light source attracts insects to an electrical grid, where they are electrocuted by touching two wires ...

3. Tanning lamp - Wikipedia

   en.wikipedia.org/wiki/Tanning_lamp

   Most people could be led to believe that a 6.5% lamp is stronger than a 5% lamp, while both lamps might have the same total UV output (or the 5% could even be stronger across the spectrum). As such, UVA vs UVB rating on lamps only tells you the relative amount of UV, making a 5% lamp really a lamp whose UV spectrum is 5% UVB and 95% UVA. [ 5 ]

4. Sodium-vapor lamp - Wikipedia

   en.wikipedia.org/wiki/Sodium-vapor_lamp

   High-intensity discharge lamp – Type of electric lamp/bulb (HID) History of street lighting in the United States; Light pollution – Excess artificial light in an environment; List of light sources – Devices and processes that produce light; Mercury-vapor lamp – Light source using an electric arc through mercury vapor

5. Navigation light - Wikipedia

   en.wikipedia.org/wiki/Navigation_light

   Watercraft navigation lights must permit other vessels to determine the type and relative angle of a vessel, and thus decide if there is a danger of collision. In general, sailing vessels are required to carry a green light that shines from dead ahead to 2 points (22 + 1 ⁄ 2 °) abaft [note 1] the beam on the starboard side (the right side from the perspective of someone on board facing ...

6. Fishing light attractor - Wikipedia

   en.wikipedia.org/wiki/Fishing_light_attractor

   In this video, dozens of 15-18 inch speckled trout are attracted to a 1000 W green light mounted on a pier. A fishing light attractor is a fishing aid that uses lights attached to a structure above water or suspended underwater to attract fish and members of their food chain.

7. SEAL Delivery Vehicle - Wikipedia

   en.wikipedia.org/wiki/SEAL_Delivery_Vehicle

   The crew and passenger compartment in the Mark 8 is small, cramped, and pitch black except for the dim lights of the instrument panel; [14] SEALs describe riding in an SDV as like "being locked in a little black coffin deep under the water." [6] A 2011 article reported that out of 2,600 SEALS roughly 230 are trained to operate the SDVs. [14]