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  2. Limescale - Wikipedia

    en.wikipedia.org/wiki/Limescale

    It often builds up inside kettles, boilers, and pipework, especially that for hot water. It is also often found as a similar deposit on the inner surfaces of old pipes and other surfaces where hard water has flowed. Limescale also forms as travertine or tufa in hard water springs.

  3. If pipes are frozen, should you leave the faucet on? Here's ...

    www.aol.com/news/pipes-frozen-leave-faucet-heres...

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  4. Pressure-balanced valve - Wikipedia

    en.wikipedia.org/wiki/Pressure-balanced_valve

    Conversely, if someone opens a hot water faucet elsewhere, the relatively higher pressure in the cold water supply line will cause the shower temperature to drop suddenly. This is described in US patent 3674048. [1] The pressure-balanced shower valve compensates for changes in water pressure.

  5. Thermostatic mixing valve - Wikipedia

    en.wikipedia.org/wiki/Thermostatic_mixing_valve

    WW-Zulauf = Warmwasser-Zulauf = Hot water input KW-Zulauf = Kaltwasser-Zulauf = Cold water input Temperaturregler =Temperature regulator Abgang = Outlet Mengeneinstellung = Volume control. A thermostatic mixing valve (TMV) is a valve that blends hot water with cold water to ensure constant, safe shower and bath outlet temperatures to prevent ...

  6. Why Your Peace Lily Has Brown Tips: 9 Causes and How to ... - AOL

    www.aol.com/why-peace-lily-brown-tips-160500222.html

    To do this, put the container under a faucet, turn the faucet on so that a gentle stream of water comes out, and hold your plant under the faucet until the water runs out of the pot’s drainage ...

  7. Iron-oxidizing bacteria - Wikipedia

    en.wikipedia.org/wiki/Iron-oxidizing_bacteria

    The anoxygenic phototrophic iron oxidation was the first anaerobic metabolism to be described within the iron anaerobic oxidation metabolism. The photoferrotrophic bacteria use Fe 2+ as electron donor and the energy from light to assimilate CO 2 into biomass through the Calvin Benson-Bassam cycle (or rTCA cycle) in a neutrophilic environment (pH 5.5-7.2), producing Fe 3+ oxides as a waste ...

  8. Carnival Fantasy cruise ship receives failing sanitation ...

    www.aol.com/article/lifestyle/2019/08/13/...

    A Carnival Cruise Line ship received a failing sanitation score after a July inspection by the Centers for Disease Control and Prevention.

  9. Tap (valve) - Wikipedia

    en.wikipedia.org/wiki/Tap_(valve)

    Faucet is the most common term in the US, similar in use to "tap" in British English, e.g. "water faucet" (although the term "tap" is also used in the US). Spigot is used by professionals in the trade (such as plumbers), and typically refers to an outdoor fixture.