Refrigerator is one of the key appliance in nowadays households. It is the fact, it has become an integral part of our lives over some years. Why has it come to occupy such crucial position in our lives? This is because our comestible – raw vegetables, fruits, juices, milk, cooked food, semi-cooked food – all enter the fridge to keep them from decay or in other words help maintain the nutrient value of the food for a longer time. It is almost impossible to imagine living without a refrigerator modern-day.