Threading black iron pipe?
Being quite a novice at working with black iron, I am curious. When measuring and cutting the pipe, how much "shrink" do you assume due to the fittings threading onto the pipe?
The very existence of flamethrowers proves that some time, somewhere, someone said to themselves,"You know, I want to set those people over there on fire, but I'm just not close enough to get the job done." - George Carlin