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When did humans first make metal tools? - Quora
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Group of early iron tools, ca. 1800 sold at auction on 28th July | Bidsquare
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The Discovery of Metals
Old rusty pincers on a blue, rusty metal background. First-class levers used primarily for removing objects (typically nails) out of materials, pincer Stock Photo - Alamy
Ancient tools for the production of metal ornaments of small useful things in the household - the first age of our era Stock Photo - Alamy
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What Was The First Metal Used By Humans? - WorldAtlas
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When did humans first make metal tools? - Quora
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Varna I. Typical equipment of metal tools and jewellery for the first... | Download Scientific Diagram
What culture first used metal tools? - Quora
