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.
The road team might instead wear a third jersey, such as the Seattle Seahawks' Wolf Grey alternate. White at home, color away. According to the Gridiron Uniform Database, the Cleveland Browns wore white for every home game of the 1955 season.