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Crayon
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==Composition== In the modern English-speaking world, the term crayon is commonly associated with the standard wax crayon, such as those widely available for use by children. Such crayons are usually approximately {{convert|3.5|in}} in length and made mostly of [[paraffin wax]]. Paraffin wax is heated and cooled to achieve the correct temperature at which a usable wax substance can be dyed and then manufactured and shipped for use around the world. Paraffin waxes are used for cosmetics, candles, for the preparation of printing ink, fruit preserving, in the pharmaceutical industry, for lubricating purposes, and crayons.<ref>Asinger, F. Paraffins: Chemistry and Technology. Long Island City, NY: English Edition Copyright, 1968. 47. Print.</ref> [[Colin Snedeker]], a chemist for [[Binney & Smith]] (the then-parent company of [[Crayola]]), developed the first washable crayons in response to consumer complaints regarding stained fabrics and walls.<ref name=weagle>{{cite news|first=Beccy|last=Tanner|title=Chemist who came up with washable crayons dies in Wichita |url=http://www.kansas.com/news/local/news-local-obituaries/article110549337.html |work=[[The Wichita Eagle]] |date=2016-10-26 |access-date=2016-12-10}}</ref> A [[patent]] for the washable solid marking composition utilized in the washable crayons was awarded to Snedeker in 1990.<ref name=weagle/>
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