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3 POISONS THAT PURIFY WATER (HOSPITALS USE #2)
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Extracting Antibiotics from Moldy Bread: The Penicillin Protocol
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Why Survivors Collect Bones: The Hidden Chemistry of Calcium Carbonate
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I Made Bleach from Ashes (The Lye Crucible)
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How to Build a Scrap-Pressure Lamp in a Post-Apocalyptic World.
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How to Build a Hand-Powered Generator in a Post-Apocalyptic World
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How to Create a Smokeless Rocket Stove from Metal Debris in a Post-Apocalyptic World
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How to Build a Solar Still for Clean Water in a Post-Apocalyptic World
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How to Create a Long-Burning Biofuel Lamp in a Post-Apocalyptic World.
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24 September 2025
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