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What Makes Gold a Store Value?

Gold is a store value, meaning that it can be stored or hidden away. It’s also a sign of wealth and prestige as we’re all familiar with the practice of wearing gold jewelry. This metal has been used throughout history…

Why Sirens Use Red and Blue Lights

Ever wondered why most sirens use red and blue lights? The siren is one of the most ancient and widespread emergency signals. The red and blue lights on top of a police car or fire truck are a beacon for…

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