In flourmills is mainly produced bran, cereal germs, broken wheat and rye, oat peelings, barley offals from groats production, millet, oats and peas offals etc. Flour-milling industry by-products must be werehouse in dry, clean and easy ventilating storage areas by the reason that they are predisposed to get mouldy. They must nost be put directly on the floor or against the wall. They must not be store together with badsmelling and aromatic substances or near them.