User talk:2401:4900:3621:B900:2:2:63DC:F9F

May 2019
Hello, and welcome to Wikipedia. This is a message letting you know that one or more of your recent edits to Shell and tube heat exchanger has been undone by an automated computer program called ClueBot NG.

Thank you. ClueBot NG (talk) 04:22, 6 May 2019 (UTC)
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 * The following is the log entry regarding this message: Shell and tube heat exchanger was changed by 2401:4900:3621:B900:2:2:63DC:F9F (u) (t) ANN scored at 0.943784 on 2019-05-06T04:22:53+00:00