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  2. Stain removal - Wikipedia

    en.wikipedia.org/wiki/Stain_removal

    Another factor in stain removal is the fact that stains can sometimes comprise two separate staining agents, which require separate forms of removal. A machine oil stain could also contain traces of metal, for example. [1] Also of concern is the color of the material that is stained.

  3. How to clean your washing machine - AOL

    www.aol.com/lifestyle/affresh-washing-machine...

    If quick and easy is the route you want, we can't recommend the pre-made option more, and this Affresh Washing Machine Cleaner is highly rated, with over 208,000 5-star reviews, and will give you ...

  4. Washing machine - Wikipedia

    en.wikipedia.org/wiki/Washing_machine

    Washing machines perform several rinses after the main wash to remove most of the detergent. Modern washing machines use less hot water due to environmental concerns; however, this has led to the problem of poor rinsing on many washing machines on the market, [125] which can be a problem to people who are sensitive to detergents.

  5. Detergent enzymes - Wikipedia

    en.wikipedia.org/wiki/Detergent_enzymes

    For stain removal, conventional household washing machines use heated water, as this increases the solubility of stains. However, heating the water to the required temperature uses a considerable amount of energy; energy usage can be reduced by using detergent enzymes which perform well in cold water, allowing low-temperature washes and ...

  6. Laundry symbol - Wikipedia

    en.wikipedia.org/wiki/Laundry_symbol

    A laundry symbol, also called a care symbol, is a pictogram indicating the manufacturer's suggestions as to methods of washing, drying, dry-cleaning and ironing clothing. Such symbols are written on labels, known as care labels or care tags , attached to clothing to indicate how a particular item should best be cleaned.

  7. The 14 Best Couches Under $2,000, Tested and Vetted by Our ...

    www.aol.com/10-best-couches-under-2-020000404.html

    Article. This sofa has gone TikTok-viral for two reasons: A) people can’t get enough of the stunning midcentury modern silhouette and B) it’s ultra-comfortable. The sofa’s foam-padded ...

  8. Pickling (metal) - Wikipedia

    en.wikipedia.org/wiki/Pickling_(metal)

    Pickling is a metal surface treatment used to remove impurities, such as stains, inorganic contaminants, and rust or scale from ferrous metals, copper, precious metals and aluminium alloys. [1] A solution called pickle liquor , which usually contains acid , is used to remove the surface impurities.

  9. Water softening - Wikipedia

    en.wikipedia.org/wiki/Water_softening

    Water containing these minerals is known as "hard water". [citation needed] When hard water is heated in a plumbing system, carbon dioxide goes out of solution, and bicarbonates become carbonates, which are much less soluble. The carbonates bind to plumbing surfaces providing seed crystals for further crystal growth, which build up as hard scale.