The occupation, 'Pump Operators, Except Wellhead Pumpers', include: Acid Loader, Acid Pump Operator, Airveyor Operator, Blend Plant Operator, Blend Technician, and other titles.Pump Operators, Except Wellhead Pumpers tend, control, or operate power-driven, stationary, or portable pumps and manifold systems to transfer gases, oil, other liquids, slurries, or powdered materials to and from various vessels and processes.