Let's continue a month of requests from our Patreon raffle winners with more about the operation of agricultural machinery. This time, some Q&A and a surprisingly excellent scientific explanation of the states of matter. Steamy!

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Read "Farm Engines and How To Run Them" at Project Gutenberg: https://www.gutenberg.org/ebooks/43867

Music: "Exit Exit," by PC III, licensed under CC BY

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