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.
In a football game, I just don't want to be touched.. That's O.J. Simpson's explanation as to why he wore short-sleeved jerseys no matter how cold the playing weather might have been. I can feel tacklers better that way.. What he could sense or feel he could elude with blasting spurts, uncanny cuts and escaping fleetness.