Insulation is used to keep the cold air inside the storage unit and prevent it from escaping. Different types of insulation are used depending on the type of food being stored and the temperature it needs to be kept at. For example, some types of insulation are better suited for storing frozen foods, while others are better for storing fresh produce. The science of cold storage also involves the use of different types of packaging. Different types of packaging are used to protect the food from the environment and keep it at the desired temperature. For example, some types of...