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.
For team sports such as soccer, baseball and others, athletic apparel typically is customized to the specific colors and designs of the teams. Athletic apparel for soccer includes jerseys, shorts, shin guards and socks. Shoes with cleats on the bottom for traction on the field are worn in soccer and baseball.