Earthen Pot Refrigerator-science project

         In a community or situation without electricity,storage of food long term can be tricky.One ingenious solution is the ‘earthen pot refrigerator’.you can build your own ‘earthen pot refrigerator' , using basic pots, sand and water. This refrigerator can be used by many farmers in warm climates who need to preserve their food fora longer time.The photograph and illustration are for your reference.