A professional who tends equipment that removes reagent from molybdenum ore concentrate. Respnsibilities include:

• Installs different-size orifices to regulate flow of solids and liquids into vats.
• Adjusts steam valve to maintain concentrate at specified steaming point.
• Draws sample to determine alkalinity of concentrate, using titration test.
• Regulates flow of lime solution into vats according to alkalinity test readings to neutralize acids.
• Weighs sample and compares it with standard chart to determine percentage of solids in concentrate.
• Inserts airhose into vats to clear clogged outlets.