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Historical developments in metal technology
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Recognition of the rocks (ores) which produced these metals and the knowledge to extract the metal from the ore resulted in dramatic social progress through the Iron and Bronze Ages. This progress continues to this day.
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With new methods of producing metals providing product manufactures with materials possessing wide ranging properties suitable for a variety of purposes.
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Different metals are derived from various ores. These ores are mined in a wide variety of locations across our planet.
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The process to convert the ore into raw metal is called smelting. The smelting process varies depending on the type of metal being produced.
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The raw metal very often needs to be refined to make it suitable for manufactured products. The refining process is controlled to produce a material to satisfy the product manufactures strict specifications.
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Homework - Ex. No. 1
Sketch two diagrams of early mankind. One in which metal is being shaped into a tool and the other in which the tool is being used. Write a short story (50 words approximately) describing what is happening in your sketches.
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