Chilled storage means that the goods to be stored are required to be refrigerated below 8กใ C. Generally, this will cover food items such as read to eat sandwiches, chilled rather than frozen ready meals, foods that have a use-by date such as dairy products, fresh meats and any other item that must be refrigerated.
A frozen storage refrigerator, also known as freezer, is an equipment to store products at a temperature below 0กใ C. In this type of freezer, various processes that are aimed at maintaining the quality of the food, pharmaceutical and other products are executed.