Original: The pot-in-pot refrigerator, also known as a Zeer Ø Ù Ø Ù Ø in Arabic, is a refrigeration device which keeps food cool without electricity by using evaporative cooling.
Simplified: The pot-in-pot refrigerator, also known as a Zeer Ø Ù Ø Ù Ø in Arabic, is a food cooling device which keeps food cool without electricity by using evaporation.