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Current and historical precious and base metal prices including Gold, Silver, Platinum, Rhodium, Copper, Nickel and more, plus mining stock…
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Metal Sentinel - Precious Metals API: Real-time precious metals prices. One API. Zero cost.
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CopperKey
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Copper Chat
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Show HN: PipeFitter – Quick, Browser-Based, Parametric Pipe Connectors
Ever need to connect two pipes of slightly different sizes together? I kept opening CAD a…