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Radius: A straight line from the center to the circumference of a circle or sphere.
Vaults; A large room or chamber used for storage.
Oxidation: The deposit that forms on the surface of a metal as it oxidizes.
Stainless steal: Alloy steel containing 12 percent or more chromium, so as to be resistant to rust and attack from various chemicals.
Ferromagnetic: A characteristic of substances such as iron, nickel, or cobalt and various alloys that exhibit extremely high magnetic permeability, a characteristic saturation point, and magnetic hysteretic.
Cobalt: A silver white metallic element with a faint pinkish tinge, occurring in compounds whose silicates afford important blue coloring substances for ceramics. |