Freezers; Refrigerators; Chromatography apparatus for industrial purposes; Dish disinfectant apparatus for industrial purposes; Distillers for chemical processing; Distilling units not for scientific purposes; Electric plate warmers; Electric stoves; Electric toaster ovens; Freeze drying equipment, namely, lyophilizers; Gas recycling system comprised primarily of one or more of the following pieces of equipment, namely, pressure swing adsorption equipment, temperature swing adsorption equipme...