a mother opens the large white refrigerator door revealing shelves filled with fresh vegetables, milk cartons, and leftovers. She reaches inside to grab ingredients while cool air visibly flows out of the appliance. Her young daughter stands beside her pointing excitedly at colorful fruits stored on the lower shelf. The father approaches carrying grocery bags, ready to put away more items that need to stay cold. Steam-like cool air continues flowing from the open appliance showing its cooling function. a refrigerator being used to keep food and drinks cold for the family