Apparatus for vacuum drying, namely, electric dehydrators; apparatus for freeze drying, namely, lyophilizer; electric vacuum dehydrator units; electric dehydrator units; apparatus for desiccating, namely, desiccating units for producing dried food, producing pharmaceuticals, and biological specimens for industrial, educational, and biotechnological applications; apparatus for vacuum freeze-drying foodstuff, namely, electric food dehydrators; air drying apparatus for use in food processing, na...