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Polistes versicolor, also known as the variegated paper wasp or yellow paper wasp [note 1], is a subtropical social wasp within Polistes, the most common genus of paper wasp. It is the most widely distributed of South American wasp species and is particularly common in the Southeastern Brazilian states. [ 3 ]
Onionskin or onion skin is a thin, lightweight, strong, often translucent paper, [1] named for its resemblance to the thin skins of onions. [2] It was usually used with carbon paper for typing duplicates in a typewriter , for permanent records where low bulk was important, or for airmail correspondence. [ 3 ]
A Post-it note (or sticky note) is a small piece of paper with a re-adherable strip of glue on its back, made for temporarily attaching notes to documents and other surfaces. A low- tack pressure-sensitive adhesive allows the notes to be easily attached, removed and even re-posted elsewhere without leaving residue.
A negative color image is additionally color-reversed, [6] with red areas appearing cyan, greens appearing magenta, and blues appearing yellow, and vice versa. Under a phenomenon known as the ‘negative picture illusion’, a negative image can be briefly experienced by the human visual system where an afterimage persists subsequent to a ...
In the CMYK model, it is the opposite: white is the natural color of the paper or other background, and black results from a full combination of colored inks. To save cost on ink, and to produce deeper black tones, unsaturated and dark colors are produced by using black ink instead of or in addition to combinations of cyan, magenta, and yellow.
It is best to choose background colors that offer sufficient contrast in relation to text and blue links, which is also the color of references, both of which are very common in most articles. Use the WCAG link contrast checker to ensure that the chosen background color offers the recommended WCAG AA level of contrast against normal text ...
A highlighter is a felt-tip marker filled with transparent fluorescent ink instead of black or opaque ink. The first highlighter was invented by Dr. Frank Honn in 1962 [4] and produced by Carter's Ink Company, using the trademarked name Hi-Liter.
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