How do they match: Separating, Filtering, Clarifying, Precipitating, and Still Machine Setters, Operators, and Tenders
- Central Processing Technician
- Oil Refinery Process Technician
- Plasma Processing Technician
- Process Technician
- Processing Technician
- Dump, pour, or load specified amounts of refined or unrefined materials into equipment or containers for further processing or storage.
- Test samples to determine viscosity, acidity, specific gravity, or degree of concentration, using test equipment such as viscometers, pH meters, or hydrometers.