A professional who mixes ingredients according to formula to compound seal used to attach covers to storage-battery containers. Respnsibilities include:

• Weighs specified amounts of ingredients, using gram scale, and dumps ingredients into pail.
• Starts mechanical mixer.
• Lifts pail manually to sink mixer blades into ingredients.
• Determines when ingredients are mixed and lowers pail.
• Pours mixture into metal cylinders for use in hydraulic extrusion press.
• Cleans equipment, using water and brushes.
• May adjust and clean extrusion press, using handtools, brushes, and water.
• May carry covers and seal to extrusion press.