Program a machine that applies acid to precision-etch metal and plastic.
Casts patterns in nonferrous metals for use in high production duplicate castings, applying knowledge of metal characteristics, molding sand, contours of patterns, and pouring procedures: Makes one or more sand molds, using wood pattern to form mold impression of metal pattern to be cast [MOLDER]. Pours molten aluminum, bronze, or other nonferrous metal into molds with hand ladle. Machines metal patterns to exact dimensions [PATTERNMAKER, METAL]. May make wood patterns used to form sand molds in which metal patterns are cast [PATTERNMAKER, WOOD].