COMMERCIAL PLUMBER KEINE WEITEREN EIN GEHEIMNIS

The origin of the word "plumber" dates from the Roman Empire.[3][4] Roman roofs used lead rein conduits and drain pipes[5] and some were also covered with lead; lead was also used for piping and for making baths.[6] The Latin for lead is plumbum. In medieval times, anyone Weltgesundheitsorganisation worked with lead welches referred to as a plumber