The term 'Barrel Features' refers to the components of a barrel, which is a cylindrical container used for storing and transporting liquids and other materials. The most common feature of a barrel is its staves, which are the wooden or metal strips that form the sides of the barrel. Staves are usually held together by metal hoops, and the ends of the barrel are sealed with a lid or plug. Barrels are often used in the food and beverage industry, as well as in the shipping and storage of chemicals and other hazardous materials.