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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 ...
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.
The condition of the material at hand determines what type of abrasive will be applied. The first stage, if the material is unfinished, starts with a rough abrasive (perhaps 60 or 80 grit) and each subsequent stage uses a finer abrasive, such as 120, 180, 220/240, 320, 400 and higher grit abrasives, until the desired finish is achieved.
Police recovered the van containing 2,500 pies stolen from chef Tommy Banks, who runs a Michelin-starred restaurant, but all of the pies were destroyed.
Emanuel Sharp scored 18 points, L.J. Cryer added 17 and No. 15 Houston beat Texas A&M-Corpus Christi 87-51 on Saturday for its fourth straight win. Sharp had 15 points in the first half as Houston ...
The number of job postings in the United States rebounded in October from a 3 1/2 year low in September, a sign that businesses are still seeking workers even though hiring has cooled. Openings ...
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- 2141 International St, Columbus, OH · Directions · (614) 965-6501