Very few Americans are, but that was the title of the short, silent film I watched on YouTube. The United States Bureau of Mines Department of Commerce made it during the 1920s, and it’s filled with drama and also an annoying surprise.
First, a quick chronology: I started in the heating industry in 1970 because my father worked for a heating manufacturers rep and he told me this was the best business to be in if I never wanted to be out of work.
I have an undated article from the “Handbook of Construction Techniques,” which McGraw Hill once published. The title was “Keeping a Cool Head.” Consider this in hindsight: