A professional who controls one or more units of oxidizing equipment to process oils for use in production of hard-surface floor covering. Respnsibilities include:

• Turns valves to charge prescribed amount of ingredients into equipment, according to formula.
• Adjusts valves to regulate air supply, as specified, to obtain oxidation.
• Sets heat controls to maintain prescribed temperature during oxidizing cycle.
• Tests viscosity of mixture, using viscometer.
• Observes color of batch during process to determine completion of oxidation, using knowledge gained from previous experience.
• Opens bottom door to discharge material from oxidizer or starts pumps to remove material for further processing.