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  2. Pyrotechnic valves - Wikipedia

    en.wikipedia.org/wiki/Pyrotechnic_valves

    A pyrotechnic valve, also explosive actuated valve, short pyro valve or pyrovalve is a one time use propulsion component often used to control propellant or pressurant systems aboard spacecraft or space probes. The device is activated by an electric signal, upon which one or several small explosive charges are ignited.

  3. Double check valve - Wikipedia

    en.wikipedia.org/wiki/Double_check_valve

    A double check valve or double check assembly (DCA) is a backflow prevention device designed to protect water supplies from contamination. [1] It is different from the two-way check valves (sometimes erroneously referred to as double check valves) used in air brake systems on heavy trucks which select from the highest pressure source.

  4. Automatic bleeding valve - Wikipedia

    en.wikipedia.org/wiki/Automatic_bleeding_valve

    If the valve body is filled with water, the float moves upwards and closes the valve. If air collects in the valve body, the waterline lowers, as does the float, and the valve opens to release it. [4] To give more sealing force on the valve, the float generally works the valve through a lever. A greater movement of the float gives a shorter ...

  5. Pyrotechnics - Wikipedia

    en.wikipedia.org/wiki/Pyrotechnics

    Pyrotechnic gerbs used in the entertainment industry. Pyrotechnics is the science and craft of creating such things as fireworks, safety matches, oxygen candles, explosive bolts and other fasteners, parts of automotive airbags, as well as gas-pressure blasting in mining, quarrying, and demolition.

  6. Man's 'Santa-antics' get him stuck in chimney while running ...

    www.aol.com/mans-santa-antics-gets-him-075003606...

    MORE: US Marshals hunt for man suspected of killing 29-year-old woman, burying body in shallow grave “Due to his Santa-antics, Langlais was transported to a local hospital out of precaution and ...

  7. 51 'Mr. Everymans' were found guilty of rape. How Gisele ...

    www.aol.com/news/51-mr-everymans-were-found...

    The French rape trial that shocked the world and sparked widespread calls for justice for women rape victims ended on Thursday with the conviction of 51 men for raping and attempting to rape ...

  8. Pyrotechnic fastener - Wikipedia

    en.wikipedia.org/wiki/Pyrotechnic_fastener

    A pyrotechnic fastener (also called an explosive bolt, or pyro, within context) is a fastener, usually a nut or bolt, that incorporates a pyrotechnic charge that can be initiated remotely. One or more explosive charges embedded within the bolt are typically activated by an electric current, and the charge breaks the bolt into two or more pieces.

  9. These 7 Grocery Stores Are Open on Thanksgiving for Last ...

    www.aol.com/lifestyle/7-grocery-stores-open...

    No matter how carefully you plan your Thanksgiving Day, it’s entirely possible for something to go awry. I’ve made mashed potatoes only to realize I've used up all the butter for my pie crust.