A professional who supervises and coordinates activities of workers engaged in production of casting slip and plastic clay used in forming pottery and porcelain ware. Respnsibilities include:

• Gives workers directions in blending, mixing, filtering, and pugging clay.
• Inspects slip and plastic clay for specified composition, weight, specific gravity, and plasticity.
• Sets up and adjusts mixing and screen machines, filter-presses, pug mills, pumps, and storage tanks.
• Performs other duties as described under supervisor master title.