9 Analytical instruments, namely, analyzers for the determination of chemical elements, namely, carbon, sulfur, oxygen, nitrogen, hydrogen, or mercury, and molecular chemicals, namely, proteins, peptides, metabolites, lipids, and complex molecules; laboratory furnaces used for heating, combusting, or reducing samples for analytical determination; separation devices, namely, mass spectrometers, optical emission spectrometers, chromatographs and other fluidic, liquid or gas, separation devices for the purpose of separating mixtures; ionization devices, namely, ionization source for the purpose of ionizing elements or molecules so they may be measured by mass, charge, mass/charge, or shape; instruments for the determination of physical properties of samples; computers for signal acquisition from said instruments and subsequent processing; instruments, namely, testers for material characterization analysis, namely, image analysis, hardness, inclusions and surface finish; machinery and parts for material characterization preparation, namely, grinders, polishers, mold presses, and cut-off saws; reference materials, namely, specimen standards to facilitate calibration and quality control of instruments; laboratory equipment, namely, combustion boats, combustion tubes, crucibles, and auto loaders for use with combustion boats and crucibles, shields, shrouds, tundish nozzles, cores, ceramic laboratory vessels and laboratory glassware; computer software for image analysis, hardness testing, inclusions analysis, computational analysis, data processing, and data reporting