in the picture above you can see how the water is practically divided and how one part of the water is heading a different direction from the other part of the water. they take the time to very carefully perform each step of the procedure. some people just do not want to give their numbers out. although i can't seem to find anything. i have included videos to give you a real taste of the action. presented in an accessible question-and-answer format, and packed with facts, it is easy to read and to find your way around. 