Primitive Technology: Natural Draft Iron Smelt
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11:35
Primitive Technology: Iron knife made from bacteria
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23:12
Primitive Technology: One-Way Blower Iron Smelt & Forging Experiment
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19:02
Processus de fabrication de fil machine en acier avec du minerai de fer
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18:31
Primitive Technology: Roasted Ore and Shell Flux Smelt
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33:09
Primitive Technology: Flywheel blower smelt/Monsoon begins
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19:20
Homme Construit une Cabane Souterraine Secrète dans la Forêt | Du Début à Fin by @RuslaninTheWoods
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19:45
Primitive Technology: Volute Shaped Blower
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29:08