Liquid Extraction Machinery for Liquid Bearing [ Animal and ] Vegetable Products-Namely, Seed Cracking Rolls, Hull Separators; Seed Flaking and Crushing Rolls; Mechanical Screw Pre-Presses; Stationary and Movable Basket Extractors; Mechanical Screw Presses; Extractors for Separating Water, Oil and Vapors from Vegetable [ and Animal ] Tissues; and Hydraulic Cage Presses; and Gear Drives; and Liquid Extraction Machinery for Liquid Bearing Natural and Synthetic Polymers-Namely, Mechanical Dewatering and Dewatering-Drying Screw Presses; and Hydraulic Presses for Laminating and Molding Polymer Materials and for Forming Metal Materials

Vertical Pans with Self-Contained Heating Units for Cooking and then Drying Vegetable Products Prior to Liquid Extraction Therefrom; Toasting Units for Heating Proteinaceous Vegetable Products to Deodorize and/or Toast the Same; Evaporating Units for Vaporizing Volatile Liquids in Vegetable [ and Animal ] Meal; Combined Evaporating and Toasting Units for Vaporizing Volatile Liquids in Vegetable Meal and for Deodorizing and/or Toasting the Same; Forced Draft Evaporative Air Coolers for Vegetable [ and Animal ] Meal; [ Rendering Melters for Dehydrating Animal Tissue and Melting Animal Fats; Rendering Cookers and Dryers with Self-Contained Heating Units for Hydrolyzing and/or Cooking and Dehydrating Products Such as Meat Scrap, Offal, Fish and Poultry Wastes, Garbage, Waste Feathers or the Like; Burners for Incinerating the Fumes Emanating from Rendering Operations; ] Evaporative Condensers for Vapors Extracted from Vegetable or Animal Products; Evaporative Columns for Scrubbing and Recovering Condensable Vapors; and Evaporative Columns for Stripping Impurities from Vegetable and Animal Oils and Vapors