A professional who operates spray drier to evaporate water from clay slip to form pellets used in production of mosaic quarry, wall and floor tile. Respnsibilities include:

• Connects hose to ball mill and drier pump, using wrenches, and opens valves.
• Sets controls on panelboard for specified temperatures and pressure in drier and to route pellets into specified silo.
• Starts pump and drier and observes dials and gauges and adjusts controls to ensure that specified temperature and pressure are maintained.
• Draws sample of pellets from drier and measures moisture content, using moisture meter.
• Records specified processing data.