User talk:2001:1970:51A4:CC00:0:0:0:36A8

September 2019
Hello, I'm IJBall. I noticed that you added or changed content in an article, Medium-capacity rail system, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so. You can have a look at the tutorial on citing sources, or if you think I made a mistake, you can leave me a message on my talk page. Thank you. --IJBall (contribs • talk) 01:45, 19 September 2019 (UTC)
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