A professional who tends machine containing rolls that form cooked grain into flakes, shredded biscuits, or other shapes to produce cereal products. Respnsibilities include:

• Moves controls to start pairs of rollers rotating and to convey cooked grain to roll feeders.
• Turns dials and handwheels to adjust pressure of rollers to maintain specified thickness and consistency of formed product, as indicated by feel and visual inspection, and to control rate of feed of grain through feeding mechanism.
• Replaces worn knives used to scrape formed grain from roller surface, using handtools.