How aircraft restorers clean out an old gas tank. https://www.youtube.com/watch?v=-RWMMJZNsdE Seems like a posher version of Frank's barbeque and stones method. Regards Daniel -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://autox.team.net/pipermail/spridgets/attachments/20211216/d476a322/attachment.htm>