Grease pencil
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The grease pencil, a wax writing tool also known as a wax pencil, china marker, or chinagraph pencil (especially in the
Grease pencils are available in several forms. The outer casing may be made of wood (like an ordinary pencil) and sharpened with a knife or pencil sharpener. Other types are covered in paper and sharpened by pulling a string to peel off the paper, needing no additional tools to remain functional. More recently, it has been produced in propelling form, essentially similar to a mechanical pencil, this type in particular being associated with knee boards employed by NATO aircrew.
Surfaces used with grease pencils include
Grease pencils were also widely used during the mid-20th century in
In the days when broadcast studios had a library of LP records, a track which was prohibited from public performance could be defaced by a wavy white or yellow chinagraph line, giving a visible warning to the presenter as well as making that track unusable.[citation needed]
Grease pencils are also commonly used by fire brigades in the United Kingdom. Entry Control Officers who monitor firefighters wearing SCBA use them to write information such as their location on a control board.[2]
References
- ^ Holben, Ellis, Margaret; Brigitte, Yeh, M. "Categories of Wax-Based Drawing Media". www.cool.conservation-us.org. Retrieved 2018-09-16.
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: CS1 maint: multiple names: authors list (link) - ^ London Fire Brigade (2006-11-17). "Respiratory protective equipment - breathing apparatus – operational procedures" (PDF). WhatDoTheyKnow. Retrieved 2022-08-24.