Job Description:

• 1) Tends mixing machine or mulling mill that mixes lead oxide powders, water, and acid into paste for storage-battery grids: Measures or weighs specified amounts of oxide, water, and acid, using barrels, buckets, or measuring tanks.

• 2) Dumps barrels of oxide into mixer or into pit equipped with bucket elevator and conveyor leading to mixer.

• 3) Starts mixer and turns valves to add specified amount of water and acid to oxide.

• 4) Tests sample of paste for temperature, solidity, and density, using probe thermometer, penetrometer, and gram scale and records results.

• 5) Dumps mixture into cart and pushes or pulls cart to pasting machine.

• 6) Records batch weight and starting and withdrawal time.

• 7) Cleans machine, using water and brush.

• 8) May tend equipment to heat and mix ingredients of liquid paste and be designated Paste Mixer, Liquid.