LANSING â A new proposal to change Michigan's auto insurance system would pair a mandatory two-year, 10 percent rate reduction with a cap on personal injury protection coverage. The proposal also seeks to decrease fraud and provide a low-cost policy for poor people. See details of the plan here.
This article is about musical instrument. For steam boilers, see Glossary of boiler terminology Â§ Water drum. Water drums are a category of membranophone characterized by the filling of the drum chamber with some amount of water to create a unique resonant sound.
Water hammer is a complex process of formation of elastic deformations in a liquid and their propagation through a tube. If the pressure rise is very great, the impact can cause damage. Safety devices (equalizing reservoirs, air domes, valves, and so on) are installed in pipelines to prevent such damage.