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This article contains a translation of Способы проверки изолирующих свойств респираторов from ru.wikipedia.

The passage "Later, industrial workers were trained in gas chambers in the USSR (in preparation for the Second World War), and late. German firefighters used a similar test between the First and Second World Wars" is intriguing. Was the Soviet Union really able to predict the Second World War in advance? I always thought that the Nazi invasion took them by surprise. And what exactly does "late" mean in this context? Deipnosophista (talk) 17:28, 26 January 2023 (UTC)

I noticed a user (without any user pages) whose few contributions over several years have been to this page. I'll mark this as a potential COI until further notice.⸺RandomStaplers 20:11, 27 April 2024 (UTC)