Are SO and RO interchangeable By Walt|2012-12-29T09:16:45-05:00December 29th, 2012|0 Comments Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail About the Author: Walt Hi There, My name is Walt White and as the name of this blog suggests, I am a Pennsylvania resident. In addition to having numerous hobbies that I discuss on my blog - I’m also the father of three little girls and a pitbull. Leave A Comment Cancel replyComment Notify me of followup comments via e-mail Notify me of new posts by email. Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.