A professional who tends batch still and polymerization vessel to distill and polymerize acrylic acid used in production of plastics. Respnsibilities include:

• Tends laboratory-type batch still to vaporize and condense acrylic acid.
• Measures amount of distillate, using burette or gauging rod, and pours distilled acid into water-jacketed polymerization vessel.
• Heats vessel to prescribed temperature, and adds specified quantity of reagents to effect polymerization.
• Draws samples of product for laboratory analysis.
• Turns valves to transfer polymerized acid to storage or processing areas.