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Step Three: Remove Streaks. Combine one part vinegar and one part water in a bowl. Dampen a clean microfiber cloth with the mixture and apply it to the glass, wiping it down well for a streak-free ...
This is a very basic surface characterization and is easy to achieve. It describes a scratch whose brightness is less than that of a scratch at visibility grade 80 and a dig with a diameter of up to 0.5 mm (50 hundredths = 50/100=0.5). 60-40 is considered "commercial" quality, while for demanding laser applications 20-10 or even 10-5 are used. [6]
Anti-scratch coating is a type of protective coating or film applied to an object's surface for mitigation against scratches. Scratches are small surface-level cuts left on a surface following interaction with a sharper object. Anti-scratch coatings provide scratch resistances by containing tiny microscopic materials with scratch-resistant ...
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.
Damage, scratches on the paintwork and small dents, produced by the public during the day, needed to be re-painted at night, so the vehicles would be in perfect condition the next day. At the trade fair in New York City, Oskar Flaig used a hammer handle to push out a small dent, so he would need to apply less filler before painting.
A very complex dielectric mirror can reflect up to 99.999% of the light incident upon it, for a narrow range of wavelengths and angles. A simpler mirror may reflect 99.9% of the light, but may cover a broader range of wavelengths. Almost any dielectric material can act as a perfect mirror through total internal reflection. This effect only ...
The name of the broadcasting channel usually appeared in the space underneath the letter F—a sans-serif F denoting an original optical version of the test card. Originally, Test Card F was a photographic slide made up of two transparencies in perfect registration—one containing the colour information ( chrominance ) and the other the ...
On 30 June 2002, UKTV announced the closure of Play UK at the end of the year, citing that the closure of ITV Digital was the reason for its demise. [1] On 13 September, UKTV announced the closure of the channel would be moved forward to the end of September, and that to prepare for the launch of Freeview, the bandwidth space would be replaced with a new channel - UK History.