User talk:93.61.94.63

August 2020
Hello, I'm RexxS. I noticed that you added or changed content in an article, Cressi-Sub, 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. If you think I made a mistake, you can leave me a message on my talk page. It is also patently obvious that the 1957 "Aro Ar57b" was not the first oxygen rebreather, as oxygen rebreathers were in use during WWII. RexxS (talk) 18:11, 1 August 2020 (UTC)
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