Explanation: The reason being is because to help prevent chemical contamination it must be away from food. If you do believe your food has been contaminated you can either wash it if is a food that requires you to take off the skin or throw it away. These are all Sanitation management measures to make sure no contamintation happens.
It would be number 4 because "Shortening, partially hydrogenated vegetable oil, or hydrated vegetable oil" is a way to know their is trans fat in a product. <span />
