Power is equal to the flow of water out of the pipe, which depends on both variables.

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About 10 hectares of tidal salt marsh is being created by two outfall pipes which are opened to allow water to flow in and out.

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The treatment "draws out metabolic waste and impurities from the body that lets water flow through better, " Tracey says.

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These plants need the fresh water flow from the river for cooling, processing, and to ship their product out to the Gulf.

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Out of that it can then give you a small flow of water at a high pressure.

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In this process, after a well is drilled, pressurized water is injected into the well to fracture the shale and open fissures that enable natural gas to flow more freely out of the well.

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There are some systems that actually will take a circle and drop it just below the surface of the water and have the oil kind of flow into it, almost like a drain, recover it and pump it out.

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