A professional who operates machines to mix or grind daub, printing ink color, and color pigments, for artificial leather. Respnsibilities include:

• Calculates batch size according to roll yardage to be coated.
• Weighs and measures, according to formula, components, such as ball mill mix, color pigments, and oils to attain colors and specified consistency.
• Moves components to agitator or ball mill mixers and roll grinders for processing, using handtruck.
• Dumps ingredients into and starts machines that grind and mix them.
• Collects color sample and compares it with color standard.
• Adds ingredients, such as white, clear, or colored pigments, or thinner to correct color discrepancies.
• Prepares new color batches when drum content in inventory storage is low.
• Lifts and moves drums, using portable air-operated hydraulic hoist.
• May be designated according to operation performed as Ball-Mill Mixer; Daub-Color Matcher; Daub-Color Mixer; Grinding Operator; Print-Color Matcher; Print-Color Mixer.