A silo is big a storage container for bulk goods. Not to be mistaken with a grain bin, which is used to store grains, silos are used in agriculture to store fermented feed known as silage. A silo can be made of stainless steel, reinforced plastic or wood depending on the applications requirements. These are generally used for storage of food materials, like grains, cereals, or cement in cement factory. Silos are suitable for chemicals and petrochemical products. In sugar mills, silos are used for storing finished product.