A professional who controls equipment that dries macaroni according to laboratory specifications. Respnsibilities include:

• Turns dials and opens steam valves on panelboard to regulate temperature, humidity, and drying time in preliminary, secondary, and final drying chambers, according to outside atmospheric conditions, specific product requirements, and drying stage.
• Enters chambers and feels macaroni to determine if product is drying according to specifications, relying upon knowledge and experience.
• Opens chamber hatch to admit cold air and adjusts controls to change drying speed at particular drying stages to comply with laboratory recommendation or to meet changing atmospheric conditions.
• Regulates temperature and humidity in pressroom to maintain required atmospheric conditions.
• Evaluates quality of dried macaroni on basis of color.