"Rockwell Hardness: What Is It Good For?" new article on Ontario website.

[Dan Maragni]

I posted an article on the Ontario website on "Rockwell Hardness: What Is It Good For?". If anyone is interested you can access it by going to the Ontario website, click on "Education" and click on the red psychedelic image of me on the top left position. If anyone has any questions or comments they can either post them at the website or here.