The Ancient Tool That Still Builds Our World #shorts

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This is a plumb bob, a simple tool that has been used since ancient Egyptian times to ensure buildings are perfectly vertical. It’s shaped like a small cone attached to a string. When suspended freely, it points to a perfect vertical line due to gravity. With this tool, builders can make sure walls or structures are standing upright—even without modern measuring instruments. Despite its ancient origin, the principle is still used today.


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