Due to construction and functional characteristics above described, with the internal reflux column it is possible to get selective the separation of components of extremely complex mixtures, with similar chemico-physical characteristics, not economically separable otherwise.
Uniform numbers in American football are unusual compared to those in other sports. They are displayed in more locations on the uniform; they are universally worn on both the front and back of the jersey; and in many cases TV numbers are displayed on either the jersey sleeves, the shoulder pad, or occasionally on the helmets.
Other popular items in sports memorabilia are game-used items. Game used can refer to an item worn on the field during a game, worn during the pregame, or by a player on the bench. These can include jerseys, pants, caps, helmets, gloves, shoes, or even sunglasses.