Sudden changes in pressure within magma-filled cracks ... to the "water hammer" that happens in household water pipes. When water is moving quickly through a pipe and the faucet is turned off ...

Often, that involves some sort of fluid such as water or air moving through pipes ... It explains how flow and pressure work in pipes. Granted, not every project deals with piping, but plumbing ...

(WEHT) — The Ohio County Water District is asking people to boil their water, now that a temporary pipe has been installed ..