A professional who tends steam cooker that breaks down oil cells and controls moisture content of corn, soybeans, cottonseed, linseed meal (meats) or fish, prior to extraction of oil. Respnsibilities include:

• Turns valves to regulate steam pressure inside cooker or steam jacket and to maintain temperature within specified range.
• Observes conveyor feeding material to cooker or climbs to top of cooker to determine that material is feeding continuously.
• May scoop handful of material from entry or discharge point of cooker and examine or feel material to determine how much steam should be added.
• May record steam pressure and temperature readings at specified intervals.
• May tend machine to crush meats for processing.
• May tend cake-forming machine to shape cottonseed meats for pressing.