Test samples to determine viscosity, acidity, specific gravity, or degree of concentration, using test equipment such as viscometers, pH meters, or hydrometers.
- 51-9061.00 Inspectors, Testers, Sorters, Samplers, and Weighers
- 51-9023.00 Mixing and Blending Machine Setters, Operators, and Tenders
- 51-9021.00 Crushing, Grinding, and Polishing Machine Setters, Operators, and Tenders
- 51-8091.00 Chemical Plant and System Operators
- 51-8092.00 Gas Plant Operators
