A professional who tends rotary driers that remove moisture from materials, such as corn germs, alfalfa, and shredded sweet potatoes. Respnsibilities include:

• Turns valves to admit steam through lines or fuel to furnace to heat drier.
• Observes gauges to verify drier temperature.
• Turns valves to regulate steam pressure or starts blower of furnace to regulate temperature of drier.
• Examines and feels discharged material or observes gauges to determine that moisture content of material conforms to standard.
• Turns handwheel or valve to control rate of speed and amount of material conveyed into drier.
• Starts blower to remove material from drier.
• May direct workers engaged in shredding potatoes and sacking dried material.
• May be designated according to material dried as Germ Drier; or method of heating drier as Fire Drier.
• May tend attrition and hammer mills in addition to rotary drier to prepare stock feed from bran and gluten and be designated Feed-Drier Tender.