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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. Some stain removal agents will not only dissolve the stain ...

  3. Staining - Wikipedia

    en.wikipedia.org/wiki/Staining

    Simple Staining is a technique that only uses one type of stain on a slide at a time. Because only one stain is being used, the specimens (for positive stains) or background (for negative stains) will be one color. Therefore, simple stains are typically used for viewing only one organism per slide. Differential staining uses multiple stains per ...

  4. List of building materials - Wikipedia

    en.wikipedia.org/wiki/List_of_building_materials

    This is a list of building materials.. Many types of building materials are used in the construction industry to create buildings and structures.These categories of materials and products are used by architects and construction project managers to specify the materials and methods used for building projects.

  5. Diamond grinding of pavement - Wikipedia

    en.wikipedia.org/wiki/Diamond_grinding_of_pavement

    Diamond grinding is a pavement preservation technique that corrects a variety of surface imperfections on both concrete and asphalt concrete pavements. Most often utilized on concrete pavement, diamond grinding is typically performed in conjunction with other concrete pavement preservation (CPP) techniques such as road slab stabilization, full- and partial-depth repair, dowel bar retrofit ...

  6. Stain - Wikipedia

    en.wikipedia.org/wiki/Stain

    A stain is a discoloration that can be clearly distinguished from the surface, material, or medium it is found upon. They are caused by the chemical or physical interaction of two dissimilar materials. Accidental staining may make materials appear used, degraded or permanently unclean.

  7. 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 ...

  8. Luminol - Wikipedia

    en.wikipedia.org/wiki/Luminol

    Luminol is first deprotonated in basic conditions then oxidized to the anionic radical, which in turn has two paths available to give the key intermediate α-hydroxy- peroxide. After cyclization to the endoperoxide, the mono-anion will undergo decomposition without luminescence if the pH is too low (< 8.2) for a second deprotonation.

  9. Polished concrete - Wikipedia

    en.wikipedia.org/wiki/Polished_concrete

    Polished concrete may be considered a form of sustainable design flooring, if less material is used than in comparable types of flooring. [citation needed] Polished concrete floors have the following advantages: low-maintenance [7] – polished concrete is easily maintained with the use of clean water or a neutral pH cleaner. The application of ...

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