For a two-product distillation column (top and bottom product), there are typically five degrees of control freedom (control valves): 1  Reflux flow. 2  Top product flow. 3  Reboiler heat input flow.  Bottom product 1  flow. Pressure control valve (the specific location depends upon how the pressure is controlled).
What is that patch your coach is wearing? This weekend it is likely the coach of your favorite team - and the coach of the team he is competing against - will be wearing a patch on their shirt or jacket. College football coaches nationwide will join together this weekend in support of the Coach To Cure MD program, which will be held during games Saturday.
Protective equipment in gridiron football (football gear) consists of equipment worn by football players for the protection of the body during the course of a football game.Basic equipment is worn by some football players including helmet, shoulder pads, gloves, shoes, and thigh and knee pads.August 2008). Protective equipment in gridiron football (football gear) consists of equipment worn by football players for the protection of the body during the course of a football game. Basic equipment is worn by some football players including helmet, shoulder pads, gloves, shoes, and thigh and knee pads.