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  2. Polishing (metalworking) - Wikipedia

    en.wikipedia.org/wiki/Polishing_(metalworking)

    Polishing knives and cutlery is known as fine glazing or blue glazing. Sand buffing, when used on German silver , white metal , etc., is technically a buffing operation because it uses a loose abrasive, but removes a significant amount of material, like polishing.

  3. Chemical-mechanical polishing - Wikipedia

    en.wikipedia.org/wiki/Chemical-mechanical_polishing

    The pad and wafer are pressed together by a dynamic polishing head and held in place by a plastic retaining ring. The dynamic polishing head is rotated with different axes of rotation (i.e., not concentric). This removes material and tends to even out any irregular topography, making the wafer flat or planar. This may be necessary to set up the ...

  4. Defoamer - Wikipedia

    en.wikipedia.org/wiki/Defoamer

    A defoamer or an anti-foaming agent is a chemical additive that reduces and hinders the formation of foam in industrial process liquids. The terms anti-foam agent and defoamer are often used interchangeably. Strictly speaking, defoamers eliminate existing foam and anti-foamers prevent the formation of further foam.

  5. Melamine foam - Wikipedia

    en.wikipedia.org/wiki/Melamine_foam

    A "Mr. Clean Magic Eraser" brand sponge, made from melamine foam. Melamine foam is a foam-like material consisting of a melamine-formaldehyde condensate. It is the active component of a number of abrasive cleaner sponges, notably the Magic Eraser. It is also used as thermal insulation and as a soundproofing material.

  6. Polishing - Wikipedia

    en.wikipedia.org/wiki/Polishing

    Polishing is the process of creating a smooth and shiny surface by rubbing it or by applying a chemical treatment, leaving a clean surface with a significant specular ...

  7. Underarm liners - Wikipedia

    en.wikipedia.org/wiki/Underarm_liners

    Underarm liners were used more commonly before chemical antiperspirants, primarily by women, to preserve fine dresses from soiling. Sweat contains substances that stain yellow or fade dyes. Underarm liners are also known as underarm shields, underarm pads, sweat guards, dress shields, [1] and pity protectors. [2]