Последние добавленные видео:
Copper
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1 year ago
26865 1 year ago 1:01Zinc + COPPER Balance
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10 months ago
582118 10 months ago 10:43Why Copper Demand Is Skyrocketing
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6 years ago
2920391 6 years ago 15:37From Rock to Copper Metal
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5 years ago
369458 5 years ago 2:376 Huge Benefits of Copper
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6 years ago
1720819 6 years ago 11:02How to ProPress Copper Pipes (Pros & Cons) | GOT2LEARN
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1 year ago
472772 1 year ago 14:07Copper Mining and Manufacturing From the Largest Deposits in the World