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Aluminium is the most abundant metal on earth’s crust and is silvery white in colour. All these properties, along with its light weight, make it an ideal metal for spacecrafts and military jets. As far as we can tell, these were the earliest cousins of the modern, technologically savvy, metal fabrications we see today. Those roofing materials with tar and gravel tend to not reflect light because they are darker in color.

Since metals can conduct heat very efficiently, it takes a great deal of energy to heat a solid block of one of these metals to combustion. EMP Rock …

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