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Use Cases
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Resources
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Pricing
7,000 bc - 3000 bc
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Stone age began approximately 2,198,000 BCE
3000 bc - 2500 bc
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2500 bc - 1000 bc
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1000 bc - 1800 ad
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1800 ad - 2000 ad
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6000 bc
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4200 bc
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3500 bc
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2500 bc
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1500 bc
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1400 bc
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1791 ad
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1825 ad
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1939
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6000 bc
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4200 bc
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The kiln is lined with stones and clay the sulfide ore is added. Then the air is blown into it from goatskin bellows or people. The by product (slag) is removed an copper solidifies at the base of the kiln.
3500 bc
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2500 bc
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It is stronger than copper but has a lower melting point improving malleability
1500 bc
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calcination is when the iron ore is heated in the absences of air causing carbonates to turn into oxides. Smelting refers to the heating at higher temperatures in a blast furnace
1400 bc
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Steel is an alloy and made up of iron, carbon and other metals
1719
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1825
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Aluminium is extracted from the ground in compounds, it is the purified to aluminium oxide in the bayer process(this is a process of refining bauxite to form Aluminium oxide) and then it undergoes electrolysis in a cryolite solution to form aluminium
1939
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