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Question:

Where and when was metal, copper,lead,iron and gold first,?

Melted and refined from ore? A web site would be very helpful if you know one. Thanks.

Answer:

You might not have to take the tire completely off the rim, but you will have to break the bead on at least one side.
Yes. If you mean without removing the tire from the rim. The rim and tire have to come off the bike.
Copper has been used since around 9000 BCE in the middle east. The oldest copper artifact was found in northern Iraq and dated to 8700 BCE. Copper smelting and purification began around 5500 BCE in Serbia. Gold has been used since about the same time. The first wide-scale metallurgy usage took place in the bronze age, which started in Sumer (modern-day Iraq) around 3300 BCE. Bronze is an alloy of copper and tin Iron ore has been used since 35000 BCE in Egypt and metallic iron from meteors since around 4000 BCE. Iron ore wasn't refined into metallic iron until around 2500 BCE. One of the earliest smelted iron artifacts from 2500 BCE was found in Turkey. Others have been found in Egypt and Iraq from around the same time. The earliest metallic lead was found in Turkey and dated to around 6400 BCE.
You might not have to take the tire completely off the rim, but you will have to break the bead on at least one side.
Yes. If you mean without removing the tire from the rim. The rim and tire have to come off the bike.
Get the bike up on a jack and you might be able to pull this off. I expect it would be a lot easier to have the wheel off the bike though. The lazy man always works twice.
Copper has been used since around 9000 BCE in the middle east. The oldest copper artifact was found in northern Iraq and dated to 8700 BCE. Copper smelting and purification began around 5500 BCE in Serbia. Gold has been used since about the same time. The first wide-scale metallurgy usage took place in the bronze age, which started in Sumer (modern-day Iraq) around 3300 BCE. Bronze is an alloy of copper and tin Iron ore has been used since 35000 BCE in Egypt and metallic iron from meteors since around 4000 BCE. Iron ore wasn't refined into metallic iron until around 2500 BCE. One of the earliest smelted iron artifacts from 2500 BCE was found in Turkey. Others have been found in Egypt and Iraq from around the same time. The earliest metallic lead was found in Turkey and dated to around 6400 BCE.

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