See also die-casting.
See also backlit awning and canopy sign. In acid etching an acid resistant stencil of the artwork or text is applied to the chosen surface.
See also internally illuminated sign and exterior illuminated sign. See also changeable copy sign. Conformable film construction for compound curves. AD illustration of a finger alphabet and counting system originally described by Bede in AD.
The more common of the two  is mostly produced on one hand, and can be traced back to alphabetic signs used in Europe from at least the early 15th century.
Acrylic Generic term for manufactured synthetic polymer or plastic.Meanwhile, in Britain, manual alphabets were also in use for a number of purposes, such as secret communication,  public speaking, or used for communication by deaf people. The illusion of movement created by the sequential turning on and off of lights in an illuminated sign. Also known as Braille bullets or ballpoint Braille. To decorate or modify a metal surface by engraving, etching or cutting. The amount of white in a given color. Also called front end documents. In some cases however, the "basis" is more theory than practice. Banner Vinyl Indoor or outdoor applications with either spot or full color graphics.