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  2. Limescale - Wikipedia

    en.wikipedia.org/wiki/Limescale

    Limescale is a hard, chalky deposit, consisting mainly of calcium carbonate (CaCO 3). 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.

  3. Clear Out Drains in Showers and Sinks With These Editor ... - AOL

    www.aol.com/best-drain-cleaners-tub-shower...

    These drain-cleaning pods have a foaming formula that gets rid of lingering odors and helps prevent future clogs. The combination of the foaming agent and lemon in the formula does more than just ...

  4. Drano - Wikipedia

    en.wikipedia.org/wiki/Drano

    The release of hydrogen gas stirs the mixture and improves the interaction between the lye and the materials clogging the drain. It's possible that pressure may build up inside the pipe, causing the hot, caustic solution to spurt out of the drain. Sodium nitrate reacts with hydrogen gas: Na + + NO 3 − + 4H 2 → NaOH + NH 3 + 2H 2 O. This ...

  5. Chemical drain cleaners - Wikipedia

    en.wikipedia.org/wiki/Chemical_drain_cleaners

    Drain cleaners usually contain a strong base such as sodium hydroxide that decomposes hair and converts fats into water-soluble products. The reaction is exothermic, releasing heat to soften the fats. Drain cleaners can also contain aluminum, which reacts with sodium hydroxide to produce bubbles of hydrogen gas that help to break up the clog. [11]

  6. Drain cleaner - Wikipedia

    en.wikipedia.org/wiki/Drain_cleaner

    A drain cleaner, also known as drain opener, refers to a person, device, or product used to unblock sewer pipes or clear clogged wastewater drains.This term typically applies to chemical, enzymatic, or mechanical tools such as commercial chemical cleaners, plumber’s snakes, drain augers, bio-enzyme solutions, or toilet plungers.

  7. Whitewash - Wikipedia

    en.wikipedia.org/wiki/Whitewash

    A traditional animal barn contains a variety of extremely rough surfaces that are difficult to wash and keep clean, such as stone and brick masonry, and also rough-cut lumber for the ceiling. If left alone, these surfaces collect dust, dirt, insect debris and wastes, and can become very dirty.

  8. Chalk - Wikipedia

    en.wikipedia.org/wiki/Chalk

    Chalk is a soft, white, porous, sedimentary carbonate rock.It is a form of limestone composed of the mineral calcite and originally formed deep under the sea by the compression of microscopic plankton that had settled to the sea floor.

  9. Floor drain - Wikipedia

    en.wikipedia.org/wiki/Floor_drain

    Usually, each floor drain is connected to a trap, to prevent sewer gases from escaping into indoors spaces. A floor sink is a type of floor drain primarily used as an indirect waste receptor. It is generally deeper than a standard floor drain and can have a full or partial grate, or no grate as required to accommodate the indirect waste pipes.

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