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2. Merrimack Valley gas explosions - Wikipedia

   en.wikipedia.org/wiki/Merrimack_Valley_gas...

   An explosion at one of the homes involved caused the house to shift off of its foundation. This in turn caused the chimney attached to fall on a car occupied by a fleeing resident, killing him. In addition to this death, twenty-five others were reported injured overall from the whole event. [14] [15] [4] All of the fires were put out by 6:45 pm ...

3. Gas explosion - Wikipedia

   en.wikipedia.org/wiki/Gas_explosion

   Two explosions resulted from the leak. One destroyed two businesses and damaged 26 others. Another destroyed a trailer park killing two people. Sinkholes and gas leaks formed all around the city and the gas had to be slowly burned off. [17] On March 16, 2004, a gas explosion in an apartment building in Arkhangelsk, Russia, killed 58 people ...

4. Boiler explosion - Wikipedia

   en.wikipedia.org/wiki/Boiler_explosion

   Boiler explosions are common in sinking ships once the hot boiler touches cold sea water, as the sudden cooling of the hot metal causes it to crack; for instance, when the SS Benlomond was torpedoed by a U-boat, the torpedoes and resulting boiler explosion caused the ship to go down in two minutes, leaving Poon Lim as the only survivor in a ...

5. How homeowners can prevent pipes from freezing during winter

   www.aol.com/weather/homeowners-prevent-pipes...

   When winter arrives and temperatures drop, homeowners face numerous risks, particularly concerning their plumbing. Frozen or cracked pipes, malfunctioning radiators, flooding, and leaks are just a ...

6. Boiler blowdown - Wikipedia

   en.wikipedia.org/wiki/Boiler_blowdown

   Surface blowdown continuously bleeds off a low volume of water from within the boiler as a means of ridding the boiler of dissolved impurities. It is most effective to remove water with the highest level of impurities; and such water is found where steam separates in the steam drum at the top of the boiler.

7. Hydrostatic test - Wikipedia

   en.wikipedia.org/wiki/Hydrostatic_test

   A hydrostatic test is a way in which pressure vessels such as pipelines, plumbing, gas cylinders, boilers and fuel tanks can be tested for strength and leaks. The test involves filling the vessel or pipe system with a liquid, usually water, which may be dyed to aid in visual leak detection , and pressurization of the vessel to the specified ...