Definition: Unthawing is a process in which an object or substance is exposed to cold temperatures, causing it to lose heat. This can be useful for cooling down objects that have been exposed to high temperatures, such as metals or other materials that are sensitive to heat. In the context ofๅถๅทๆๆฏ๏ผunthawing refers to the process by which a refrigerated system is turned on and then cooled using an external cold source. It is typically used in industries where there is a need to cool