Scientific research and laboratory apparatus, namely, spectrometers, liquid analyzers, refractometers used for quality control analysis and quality control monitoring of liquid food products, edible oils and fats, dairy products, beers and juices; Tubes, namely, cuvettes and pipettes for scientific laboratory use in the nature of test tubes used for quality control analysis and quality control monitoring of liquid food products edible oils and fats, dairy products, beers and juices