Cummins 2003-07 1/2 5.9L Fuel Injector Replacement Procedure

hey guys. here is the textbook way to swap an injector on a 5.9L Cummins Diesel. 2003 to 2007 Dodge trucks. i see a lot of videos on it and most don't go into the actual specs of the job. they get em done good, but here is the reasoning behind the procedure. thanks for checking it out