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shared by Svitol Naos on 05 Mar 12 - No Cached

water supply system
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transmission, treatment, storage, and distribution of water for homes,
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. Among the most notable of ancient water-conveyance systems are the aqueducts built between 312 bce and 455 ce
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Water supply systems must also meet requirements for public
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activities
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The need to channel water supplies from distant sources was an outcome of the growth of urban communities
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Of all municipal services, provision of potable water is perhaps the most vital
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In the development of water resources beyond their natural condition in rivers, lakes, and springs, the digging of shallow wells was probably the earliest innovation. As the need for water increased and tools were developed
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Developments in supply systems
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Water was an important factor in the location of the earliest settled communities, and the evolution of public water supply systems is tied directly to the growth of cities.
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water supply system
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water supply system
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shared by Svitol Naos on 28 Feb 12 - No Cached

Water Supply
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Drainage
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On a basic level, plumbing works with the forces of pressure and gravity. Pressure brings water into your home, the water is used, and then gravity sends the wastewater back out of your home. If you really want to understand how it works, you should learn about the supply, fixtures, and drainage of your home plumbing system.
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Plumbing Fixtures
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shared by Svitol Naos on 05 Mar 12 - Cached

Plumbing originated during the ancient civilizations such as the Greek, Roman, Persian, Indian, and Chinese civilizations as they developed public baths and needed to provide potable water, and drainage of wastes
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Most large cities today pipe solid wastes to treatment plants in order to separate and partly purify the water before emptying into streams or other bodies of water
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Plumbing is the system of pipes and drains installed in a building for the distribution of potable drinking water and the removal of waterborne wastes, and the skilled trade of working with pipes, tubing and plumbing fixtures in such systems
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Plumbing is usually distinguished from water supply and sewage systems
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Water systems of ancient times relied on gravity for the supply of water, using pipes or channels usually made of clay, lead
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Present-day water-supply systems use a network of high-pressure pumps, and pipe
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