1. 
   Hot metal typesetting
   In printing and typography, hot metal typesetting (also called mechanical typesetting, hot lead typesetting, hot metal, and hot type) refers to 19th-century technologies for typesetting text in letterpress printing. This method injects molten type metal into a mold that has the shape of one or more...
   Found op http://en.wikipedia.org/wiki/Hot_metal_typesetting
   
   
2. 
   Hot-Metal Typesetting
   Hot-metal typesetting is a method of setting type in which the type itself is cast from molten metal. Systems include the Monotype and Linotype machines. Hot-metal typesetting has largely been replaced by phototypesetting, which can more easily be computer-controlled.
   Found op http://www.probertencyclopaedia.com/browse/GH.HTM
   
   

Tip: double click on a word to show its meaning.