A professional who tends machine that mixes flour and ingredients, such as buttermilk solids, phosphate, salt, soda, and sugar, to produce self-rising or other premixed flour. Respnsibilities include:

• Dumps specified amount of flour into mixer or turns dial to convey measured amount into mixer.
• Weighs and dumps other ingredients, such as buttermilk solids, phosphate, soda, and sugar, according to formula, and starts machine.
• May record amount of ingredients in each batch.
• May be designated according to type of flour mixed as Self-Rising-Flour Mixer.