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[ Kids/Teens/Mature Teens ] Animated pictures help explain the inner workings of a variety of steam, Stirling, and internal combustion engines.
[ Kids/Teens/Mature Teens ] Drawings and explanations to common machines and how they work.
[ Teens ] Explains simple machines such as levers, gears and pulleys with text, pictures and animations.
[ Teens ] Explains simple machines such as levers, gears and pulleys with text, pictures and animations.
[ Kids/Teens/Mature Teens ] Animated pictures help explain the inner workings of a variety of steam, Stirling, and internal combustion engines.
[ Kids/Teens/Mature Teens ] Drawings and explanations to common machines and how they work.
Last update:
July 16, 2025 at 18:21:50 UTC
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