COLD STORAGE :
The cold storage polant process is simple and well established. Ammonia refrigeration is cheap and is of high latent heat of evaporation. Rooms of different temperature must be separated by insulation and should be protected from moisture. It will run for 365 days on 24 hours a day basis. Normally, the temperature to be maintained at the cold storage will by 4.50 celcius. The storing mateiral, viz. tamarind, chillies and potatoes etc. are to be packed in jute bags/barrels. The temprature and relative humidity is to be maintained depending upon the storing material.