By using tech to improve processing and packaging, it can improve the shelf life and safety of food. The use of machines in the food industry also ensures quality and affordability. By using machines, it drives down the costs of keeping the food fresh and increases productivity. Food processing means the ways that are used to change raw ingredients into food so that they can be eaten by humans or animals. It often takes clean, harvested or slaughtered and butchered components and uses these to produce attractive and marketable food products.