The word derives from the Latin for lead, plumbum, since the first effective pipes used in Roman times were lead pipes. Most people are familiar with the basics of what a plumber does, but many may not know the history of this profession. During the time of the Roman Empire, the material that is now known as lead was called “plumbum” back then. This is why the symbol for lead on the periodic table is “PB”.
Lead, (a, k, a.
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