Gas pipe line valve
Standard License
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Red valve on a gas, water or oil pipe line

"Pipeline transport is the long-distance transportation of a liquid or gas through a system of pipes—a pipeline—typically to a market area for consumption. The latest data from 2014 gives a total of slightly less than 2,175,000 miles (3,500,000 km) of pipeline in 120 countries of the world." Wikipedia, The Free Encyclopedia, "Pipeline transport", https://en.wikipedia.org/wiki/Pipeline_transport
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