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When was iron first used?
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Pyrite, a sample of the element Iron in the Periodic Table
Sample of the element Iron in the Periodic Table
Facts, pictures, stories about the element Iron in the Periodic Table
Element coin, a sample of the element Iron in the Periodic Table
Iron: Element, Formation, Uses | SchoolWorkHelper
IRON - One Of The Most Interesting Elements Out There - YouTube
Samples from Theodore Gray (1369) in the Periodic Table
Facts, pictures, stories about the element Iron in the Periodic Table