A professional who tends low pressure kettle and auxiliary equipment to coagulate latex particles in thiokol latex suspension. Respnsibilities include:

• Opens valves and pumps specified amount of latex suspension and water into kettle.
• Starts agitator and turns steam valve to heat solution to specified temperature.
• Turns valve to admit acid into solution.
• Observes processing of solution and coagulation of latex suspension into uniform crumb size.
• Examines sample to determine clarity of water and turns valves to stop flow of acid into solution.
• Determines pH of batch, using test papers.
• Adds alkali to batch to neutralize acid content.
• Opens outlet valve to transfer suspension to filter or shaker screen for separation of crumb from liquid.
• May open water valve to cool solution in kettle prior to transfer.
• May tend auxiliary equipment to dewater crumbs.
• May record data from operations in log.