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polishing scratches

См. также в других словарях:

  • Polishing (metalworking) — Buffing redirects here. For the concept in cosmetics, see Nail buffing. Polishing and buffing are finishing processes for smoothing a workpiece s surface using an abrasive and a work wheel. Technically polishing refers to processes that use an… …   Wikipedia

  • Metal polishing — Metal polishing, also termed buffing, is the process of smoothing metals and alloys and polishing to a satin, bright, or smooth mirror like finish. This is achieved by use of abrasives pads, belts and/or wheels with polishing compounds selected… …   Wikipedia

  • Coin grading — In coin collecting coin grading is the process of determining the grade or condition of a coin, one of the key factors in determining its value as a collector s item. The grading of a coin includes the analysis of several criteria, the most… …   Wikipedia

  • Abrasive — An abrasive is a material, often a mineral, that is used to shape or finish a workpiece through rubbing which leads to part of the workpiece being worn away. While finishing a material often means polishing it to gain a smooth, reflective surface …   Wikipedia

  • Brushed metal — is metal that has been abraded ( brushed ), usually with a fine grit sandpaper. The brushing gives the metal a distinctive look, as it retains some but not all of its metallic lustre and is given a pattern of very fine lines. It can be compared… …   Wikipedia

  • Diamond flaws — Contents 1 External flaws 1.1 Blemishes 1.2 Scratches 1.3 …   Wikipedia

  • industrial glass — Introduction       solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …   Universalium

  • Transmission electron microscopy — A TEM image of the polio virus. The polio virus is 30 nm in size.[1] Transmission electron microscopy (TEM) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it… …   Wikipedia

  • Facet — Facets are flat faces on geometric shapes. The organization of naturally occurring facets was key to early developments in crystallography, since they reflect the underlying symmetry of the crystal structure. Gemstones commonly have facets cut… …   Wikipedia

  • Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 …   Wikipedia

  • Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …   Wikipedia

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