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2. Water hammer - Wikipedia

   en.wikipedia.org/wiki/Water_hammer

   The water hammer principle can be used to create a simple water pump called a hydraulic ram. Leaks can sometimes be detected using water hammer. Enclosed air pockets can be detected in pipelines. The water hammer from a liquid jet created by a collapsing microcavity is studied for potential applications noninvasive transdermal drug delivery. [33]

3. Hydropneumatic device - Wikipedia

   en.wikipedia.org/wiki/Hydropneumatic_device

   Hydropneumatic water hammer preventers are chambers of sufficient volume to allow an extension of time in which a given flow may be accelerated or decelerated without sudden large change in pressure. See also expansion tank. When shock waves of an incompressible fluid within a piping system exist, especially at a high velocity, there is a high ...

4. Detonation flame arrester - Wikipedia

   en.wikipedia.org/wiki/Detonation_flame_arrester

   The first patented detonation flame arrester was developed by Nicholas Roussakis et al., U.S. patent 4,909,730 and was issued on March 20, 1990. Its need was initially driven by new environmental legislation, namely the Clean Air Act of the USA. Regular flame arresters had been around for years, but they had very limited applications.

5. Engineering company settles Flint water lawsuits for $53M but ...

   www.aol.com/engineering-company-settles-flint...

   An engineering company said Friday it has agreed to pay $53 million to settle all remaining lawsuits that alleged some blame for lead-contaminated water in Flint, Michigan, a decade ago. The deal ...

6. Arresting gear - Wikipedia

   en.wikipedia.org/wiki/Arresting_gear

   An arresting gear, or arrestor gear, is a mechanical system used to rapidly decelerate an aircraft as it lands. Arresting gear on aircraft carriers is an essential component of naval aviation, and it is most commonly used on CATOBAR and STOBAR aircraft carriers. Similar systems are also found at land-based airfields for expeditionary or ...

7. Trump’s gutting of federal DEI programs will hit rural poor ...

   www.aol.com/trump-gutting-federal-dei-programs...

   An aerial view of the Kayenta Solar Plant in Kayenta, Arizona, part of a project backed by the Department of Energy to bring clean power to communities off the main electrical grid.