A water main is a large pipe that carries water from a central source, such as a water treatment plant, to smaller pipes that distribute it to homes, businesses, and other buildings. It is a key part of a city's or town's water supply system, ensuring that clean water is delivered reliably to the community. Water mains are typically buried underground and are made from strong materials to handle the pressure and volume of water flowing through them. They also connect to valves, hydrants, and service lines that direct water to different areas.

英語での「water main」の定義と意味

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