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  2. MAPP gas - Wikipedia

    en.wikipedia.org/wiki/MAPP_gas

    A set of MAPP and oxygen cylinders is used for oxy-fuel welding and cutting. MAPP gas was a trademarked name, belonging to The Linde Group, a division of the former global chemical giant Union Carbide, for a fuel gas based on a stabilized mixture of methylacetylene (propyne), propadiene and propane. The name comes from the original chemical ...

  3. Waymo recalls more than 600 self-driving vehicles for ... - AOL

    www.aol.com/news/waymo-recalls-more-600-self...

    Waymo is recalling more than 600 self-driving vehicles after one of them struck a telephone pole in Arizona. The recall includes 672 vehicles, which is the entire fleet. The National Highway ...

  4. Maisy battery - Wikipedia

    en.wikipedia.org/wiki/Maisy_battery

    The Maisy Battery is a group of World War II artillery batteries that was constructed in secret by the German Wehrmacht near the French village of Grandcamp-Maisy in Normandy. It formed a part of Germany 's Atlantic Wall coastal fortifications and was the principal position of defence for that area. It was responsible for the defence of the ...

  5. MIM-104 Patriot - Wikipedia

    en.wikipedia.org/wiki/MIM-104_Patriot

    160 km (max) The MIM-104 Patriot is a surface-to-air missile (SAM) system, the primary such system used by the United States Army and several allied states. It is manufactured by the U.S. defense contractor Raytheon and derives its name from the radar component of the weapon system. The AN/MPQ-53 at the heart of the system is known as the ...

  6. LGBTQ+ librarians grapple with attacks on books - and on ...

    www.aol.com/news/lgbtq-librarians-grapple...

    Idaho librarian June Meissner was closing up for the day at the downtown Boise Public Library when a man approached her asking for help. As an information services librarian, answering patrons ...

  7. The Battery (Charleston) - Wikipedia

    en.wikipedia.org/wiki/The_Battery_(Charleston)

    The Battery is a landmark defensive seawall and promenade in Charleston, South Carolina. Named for a pre-Civil War coastal defense artillery battery originally built by the British at the site, it stretches along the lower shores of the Charleston peninsula, bordered by the Ashley and Cooper Rivers, which meet here to form Charleston Harbor.

  8. Waymo opens robotaxi service to all San Francisco users - AOL

    www.aol.com/news/waymo-opens-robotaxi-san...

    Andrej Sokolow. Waymo robotaxis are now open to all users in San Francisco, expanding the self-driving ride-hailing service, which has been available in the city to a limited number of riders. In ...

  9. MAP sensor - Wikipedia

    en.wikipedia.org/wiki/MAP_sensor

    The MAP sensor is then used for rationality checks and to test the EGR valve. The way they do this is during a deceleration of the vehicle when there is low absolute pressure in the intake manifold (i.e., a high vacuum present in the intake manifold relative to the outside air) the powertrain control module (PCM) will open the EGR valve and ...