A professional who tends ball mill that mixes and grinds materials to produce glaze for coating pottery, tile, and porcelain. Respnsibilities include:

• Weighs materials, such as calcium, carbonate, clay, feldspar, flint, and lead oxide, in specified proportions, using tubs and scale.
• Dumps materials into mill and pushes button to start mill that pulverizes and mixes glaze ingredients.
• Turns valve to transfer finished glaze from mill over screens and magnets and into storage jars.