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The advantages of copper instruments over stonehttps://www.chooseaustinfirst.com bonehttps://www.chooseaustinfirst.com and wood tools have been quickly apparent to early humanshttps://www.chooseaustinfirst.com and native copper was most likely used from close to the beginning of Neolithic occasions (about 10 ka). Native copper doesn’t naturally happen in large quantitieshttps://www.chooseaustinfirst.com however copper ores are quite widespread and some of them produce steel easily …