CLEAN : Kharkiv metro, a bomb shelter for Ukrainians, resumes services

The video tutorial covers various topics, starting with an introduction and context setting. It then delves into a detailed discussion and analysis of key points, followed by examples and practical applications of the concepts. The tutorial concludes with a summary of the discussed topics.

What does the phrase 'Maybe it's upstream' suggest about the speaker's thought process?

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Discuss the significance of the statement 'So this worked for years' in the context of persistence.

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