| Accordion Fold |  | | A common folding format used today for printed materials to have more than three folded panels is generically referred to as an accordion fold. Typically, the accordion fold has panels of equal size that are folded on top of each other to create a final product that looks similar to an acco ... Read More |  | | Acid Free Paper | | Any type of paper with a neutral pH balance (approximately 7) is said to be acid-free paper. In the mid-1930s the paper and printing industries began to recognize that paper with high acidic levels would deteriorate much faster than papers with lower acidity. Since that time most paper produced i ... Read More | | | | Acid Resist | Before etching, metal plates are coated in an acid-proof wax called acid resist. To etch metal plates, printers carve the design and then dip the plate into acid, which eats away the parts of the metal not covered in acid resist. There are two types of acid resist: hard ground and soft ground.
... Read More | | | | Acid-free Paper | | Acid-free paper is made from cellulose fiber from which the acidic pulp was removed during processing. With a PH balance of anywhere from neutral to base, acid-free paper resists aging over time. In the past, most paper was made from wood-based pulp, which turned yellow and detoriorated over a short ... Read More | | | | Additive Color | | Reproducing colors by emitting light from a source is generally referred to as additive color. The RGB color model is by far the most common example of an additive color system. RGB simply stands for the primary colors of red, green, and blue which are used to reprodu ... Read More | | | Airbrush | | An airbrush is a small, pen-shaped tool used by illustrators to make corrections or to touch up images. An airbrush sprays a fine mist of ink or paint across an image, which results in a smoothing effect. Airbrush tools are also available digitally through popular software suites like Photoshop. ... Read More | | | | Anodized Plate | | Anodized plates are printing plates that have been treated in order to protect and increase the useful life of the plates. Printing presses use printing plates for the offset printing process, and to protect plates that are used regularly, the printer will often have certain plates anodized. The ... Read More | | | | Anti-Aliasing | | Techniques used to reduce the distortion artifacts when high resolution graphics are displayed at low resolution are generally called anti-aliasing. One of the more common examples is used with web-base software with text – web browsers use anti-aliasing technology to smooth out the jagged appe ... Read More | | |
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