• natasha posted an update 10 months ago

    Continuing improvements led to the furnace and bellows and provided, for the first time, the ability to smelt and forge gold, copper, silver, and lead – native metals found in relatively pure form in nature. The advantages of copper tools over stone, bone, and wooden tools were quickly apparent to early humans, and native copper was probably u…[Read more]

  • natasha became a registered member 10 months ago

هذه الصفحة متوفرة ايضاً باللغة: Arabic