9 Laboratory equipment, namely, distillation units, laboratory filters, photometers, laboratory equipment, namely, incubators, controlled temperature baths, electric inoculators, centrifuges, controlled volume pumps, centrifugal metering pumps, high-pressure pumps for proportioning and testing purposes; laboratory equipment, namely, laboratory grinders, shakers, stirrers, and rotators and vacuum dryers for laboratory use; laboratory equipment, namely, temperature and density measuring instruments, vacuum and temperature instrumentation and recording devices; laboratory equipment, namely, testing and research chambers, namely, controlled temperature, humidity and lighting chambers; temperature controlled immersion and direct contact probe coolers for laboratory use, namely, electronic component testing; laboratory equipment for generating a stream of filtered, dehumidified and thermally controlled gas for laboratory use; laboratory equipment, namely, automatic valves and electric valve actuators used in testing electronic components, circuit boards and electromechanical devices; temperature controllers for warming and cooling medical, research, and laboratory equipment and instruments; downloadable and recorded computer software used for scientific and industrial testing of laboratory equipment; programmable computer based control systems for temperature control and thermal management systems, centrifugal evaporation and concentration equipment, temperature measurement, magnetic stirring and dry ice makers comprised of LCD display screens, control panel, microprocessor, human-machine interface, programmable logic controllers and downloadable and recorded graphical user interface software; scientific glassware and related components, namely, air sensitive laboratory glassware, beakers, burets, microscope condensers, distilling apparatus for scientific purposes, flasks, funnels, homogenizers, test tubes, microlab glassware, pipets, stopcocks for use on laboratory glassware, automatic valves and vials; laboratory equipment and supplies, namely, glass and plastic bottles, graduated containers for measuring liquids, microscope slide dispensers, scoops for handling, measuring, and sampling solid and liquid materials in laboratories, beakers, flasks, pipette racks, racks and containers for holding and storing test tubes, pipettes, vials, and laboratory glassware for laboratory use, test tubes, desiccators and safety glasses, safety goggles; fire extinguishers and refills therefor; Reaction systems for catalyst research; Laboratory equipment, namely, microscope slides; laboratory glassware in the shape of a cone; Laboratory equipment, namely, pipette racks; Laboratory equipment and supplies, namely, test tubes and polypropylene tube connectors for use in connection therewith; Hand-operated laboratory tools for manipulating laboratory samples; Protective gloves for industrial use; Laboratory equipment, namely, ductless fume enclosures and drying cabinets; and structural parts therefor