Plumbing (which comes from the Latin word plumbum, which means lead, as pipes were once made from lead) is the job of working with pipes, tubing and plumbing fixtures for drinking water systems and getting rid of waste.A plumber is someone who fixes or puts in piping systems, plumbing fixtures and equipment such as water heaters.
Many plumbers are construction workers.The plumbing industry is an important part of every developed economy because people need clean water and safe ways to move and store waste. Plumbing also refers to a system of pipes and fixtures put in a building to move water and the get rid of waste that is in water.Plumbing is different from water and sewage systems because plumbing system serves one building, while water and sewage systems serve a group of buildings or a city.Źródło: https://simple.wikipedia.org/wiki/Plumbing
Plumbing was very rare until modern cities grew in the 19th century.At about the same time, public health leaders began wanting better systems to get rid of waste.
Before this, people got rid of waste by collecting it and dumping it onto the ground or into rivers.However, there were some plumbing pipes in the city settlements of the Indus Valley Civilization by 2700 B.C. Plumbing was also used during the ancient civilizations such as the Greek, Roman, Persian, Indian, and Chinese civilizations as they built public baths and needed drinking water, and somewhere to drain waste. The Romans used pipe inscriptions to stop people from stealing water. These systems did not improve much over the years. There were almost no improvements from the time of the Roman aqueducts and lead pipes until the 19th century. Eventually the development of separate, underground water and sewage systems got rid of open sewage ditches and cesspools. Most large cities today send solid wastes through pipes to sewage treatment plants. Treatment separates water from waste and makes the water more pure before it goes into streams or other bodies of water. Most places stopped using lead for drinking water after World War II because of the dangers of lead poisoning.At this time, copper piping was started because it was safer than using lead pipes.Źródło: https://simple.wikipedia.org/wiki/Plumbing
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