water-ballasts

  • 11Tanning bed — A tanning bed or sunbed is a device emitting ultraviolet radiation (typically 95% UVA and 5% UVB, +/ 3%) used to produce a cosmetic tan. Regular tanning beds use several fluorescent lamps that have phosphor blends designed to emit UV in a… …

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  • 12Draft (hull) — Draft marks on a ship s bow The draft (or draught) of a ship s hull is the vertical distance between the waterline and the bottom of the hull (keel), with the thickness of the hull included; in the case of not being included the draft outline… …

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  • 13ballast — [ balast ] n. m. • 1375 « lest »; mot scand., par le moy. bas all. 1 ♦ (1840; empr. à l angl.) Pierres concassées que l on tasse sous les traverses d une voie ferrée. Carrière à ballast (ou BALLASTIÈRE n. f. ). 2 ♦ (1943) Mar. Réservoir de… …

    Encyclopédie Universelle

  • 14Minimum energy performance standard — MEPS (Minimum Energy Performance Standard) is a specification containing a number of performance requirements for an energy using device, and that effectively limits the maximum amount of energy that may be consumed by a product in performing a… …

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  • 15Mercury-vapor lamp — Mercury Lamp redirects here. For the character in the Rozen Maiden anime and manga, see Characters of Rozen Maiden. A 175 watt mercury vapor yard light approximately 15 seconds after starting …

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  • 16LED lamp — An LED lamp (LED light bulb) is a solid state lamp that uses light emitting diodes (LEDs) as the source of light. The LEDs involved may be conventional semiconductor light emitting diodes, organic LEDs (OLED), or polymer light emitting diodes… …

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  • 17Demand response — This article is about the electrical concept. For the transport concept, see Demand responsive transport. A clothes dryer using a demand response switch to reduce peak demand In electricity grids, demand response (DR) is similar to dynamic demand …

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  • 18Reef aquarium — See also: Marine aquarium Reef aquarium in Monaco A reef aquarium or reef tank is an marine aquarium that prominently displays live corals and other marine invertebrates as well as fish that play a role in maintaining the coral reef environment.… …

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  • 19Polychlorinated biphenyl — PCBs redirects here. For printed circuit boards, see printed circuit board. Labelling transformers containing PCBs …

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  • 20Lexique sur l’eau — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Sommaire 1 Carence en eau 1.1 Trop d eau …

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