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2. Polishing (metalworking) - Wikipedia

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

   [2] While used less extensively than traditional mechanical polishing, electropolishing is an alternative form of polishing that uses the principles of electrochemistry to remove microscopic layers of metal from a base surface. [3] This method of polishing can be fine-tuned to give a wide range of finishes, from matte to mirror-bright.

3. Brasso - Wikipedia

   en.wikipedia.org/wiki/Brasso

   Brasso has also been used to polish out scratches in plastics: It has been used to polish CDs, DVDs, screens, and pools to repair scratches. It is a mild solvent and an extremely fine abrasive, so when applied to the reflective surface of the disc and rubbed radially (in straight lines between the edge and centre), it can smooth scratches and reduce their effect.

4. 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 ...

5. Polishing - Wikipedia

   en.wikipedia.org/wiki/Polishing

   The strength of polished products can be higher than their unpolished counterparts owing to the removal of stress concentrations present in the rough surface during the polishing process. These concentrations take the form of corners and other defects, which magnify the local stress beyond the inherent strength of the material. [2]

6. Biggest quake yet could be still to come on Greek tourist ...

   www.aol.com/news/biggest-quake-yet-could-still...

   The largest tremor so far was recorded on Wednesday evening, when a quake with a magnitude of 5.2 coursed through the island. It was the first to exceed 5.0 since the tremors began last week.

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