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 goalkeeper was handed the #1 jersey, defenders had #2-5, central midfielders the #6 and #8, wingers usually the #7 and #11 with the go-to players up-front wearing the #9 or famous #10 jersey. Not so today and so problems can arise when a current player is wearing the âluckyâ number of the new signing.