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Copper The First Metal Mastered By A Man 6.33 MB | 7:41 Download |
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The Copper Age Explained the Rise Of Civilization 9.65 MB | 11:43 Download |
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Worlds First Electric Generator 3.14 MB | 3:49 Download |
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The Old Copper Culture Of North America 13.73 MB | 16:40 Download |
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Crafting Humanitys First Metal 16.37 MB | 19:52 Download |
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Americas First Metal Industry The Old Copper Complex 9.53 MB | 11:34 Download |
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Old Copper Culture North Americas Forgotten Metal Workers 6.73 MB | 28:10 Download |
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How Copper Goes From Rock To Wire 745.31 KB | 0:53 Download |
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From Rock To Copper Metal 12.87 MB | 15:37 Download |
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First Time Using Copper Patina stainedglass 857.81 KB | 1:01 Download |
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Soldering For The First Time Ask This Old House 4.66 MB | 5:39 Download |
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How Copper Is Produced 1.26 MB | 1:32 Download |
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The Largest Prehistoric Copper Mine In The World 12.40 MB | 15:03 Download |