The activity is concerned with the production of cheese from natural dairy products and this does not include the manufacture of non-animal milk and cheese substitutes. Whereas the basic manufacturing processes for all types of cheese are originally one, and these operations include five main stages: 1- Processing of milk with successive processes, 2- Separating of milk crud 3- Processing of curd, 4- Aging or maturation 5- Packaging. Here, slight differences in the final packaging appear when producing several hundreds of different types of cheese.