8419 Machines, devices, and similar laboratory equipment that utilize temperature changes to process materials, such as heating, cooking, roasting, distillation, rectification, disinfection, sterilization, steaming, drying, evaporation, gasification, condensation, and cooling machines and equipment, whether or not electrically heated (excluding furnaces, ovens, and other equipment of heading 85.14), except for household use; Non electric fast water heaters or reserve water heaters: HS code chinese tariffs