A professional who tends automatic equipment that produces sulfuric acid by contact process: Turns valves and moves levers to start and stop flow of liquids and gases through converter, heat exchangers, absorber, cooler, and related equipment as indicated.

• Monitors lights, gauges, and recording instruments on control panel to determine that temperature, steam pressure, and flow of materials through system conform to plant standards.
• Patrols equipment area and records gauge readings at specified intervals for operating log.
• Collects sample of product for laboratory analysis and performs tests to determine specific gravity and percentage of sulfuric acid being processed.
• Periodically examines emission exits to determine that anti-pollution standards are met.