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xkcd #3187: High Altitude Cooking Instructions
Title text:
1,300,000-1,400,000 ft: Ask a crew member to show you how to use the ISS food warmer.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3187/
Baking mostly, it's a cruel and fickle mistress