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In woodworking and the decorative arts, refinishing (also repolishing in the UK)refers to the act of repairing or reapplying the wood finishing on an object. [1] paint, wood finish top coat, [citation needed] wax, lacquer or varnish are commonly used. [2] The artisan or restorer is traditionally aiming for an improved or restored and renewed ...
In the early 10th century, the Persian scientist al-Razi described ways of silvering and gilding in a book on alchemy, [citation needed] but this was not done for the purpose of making mirrors. Tin-coated mirrors were first made in Europe in the 15th century. The thin tinfoil used to silver mirrors was known as "tain". [5]
A mirror reflecting the image of a vase A first-surface mirror coated with aluminium and enhanced with dielectric coatings. The angle of the incident light (represented by both the light in the mirror and the shadow behind it) exactly matches the angle of reflection (the reflected light shining on the table). 4.5-metre (15 ft)-tall acoustic mirror near Kilnsea Grange, East Yorkshire, UK, from ...
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PPG Industries, Inc. is an American Fortune 500 company and global supplier of paints, coatings, and specialty materials.With headquarters in Pittsburgh, Pennsylvania, PPG operates in more than 70 countries around the globe.
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Dielectric mirrors are also used to produce ultra-high reflectivity mirrors: values of 99.999% or better over a narrow range of wavelengths can be produced using special techniques. Alternatively, they can be made to reflect a broad spectrum of light, such as the entire visible range or the spectrum of the Ti-sapphire laser.
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