> The Iron Ring is a ring worn by many Canadian-trained engineers, as a symbol and reminder of the obligations and ethics associated with their profession. The ring is presented to engineering graduates in a private ceremony known as the Ritual of the Calling of an Engineer. The concept of the ritual and the rings originated from H. E. T. Haultain in 1922, with assistance from Rudyard Kipling, who crafted the ritual at Haultain's request.
English has many words with multiple meanings. While this article really does do a decent job of breaking down some differences of those meanings, it also feels like we spend too much time trying to ask whether or not "engineering" always means the same thing when the answer is clearly, "No."
https://en.wikipedia.org/wiki/Iron_Ring