Milk is known for its health benefits from building bones, teeth, etc., and in the industries that are made to transform it from one form to another. It can be taken fresh or processed in its liquid state. The conversion of milk to powder is one of the longest and longest ways to preserve milk. Pasteurization, for example, The milk drying is the most useful way to save the milk for a long time, and no need to keep it in the refrigerator, and it is easy to transport and export to countries that do not produce enough milk, as it is in a closed container, and when it is opened it should be used for up to a week. Of basic food.