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  2. Section 608 - Wikipedia

    en.wikipedia.org/wiki/Section_608

    Section 608 (together with Section 609, which covers motor vehicles) of the Clean Air Act serves as the main form of occupational licensure for technicians in the heating, ventilation, and air conditioning (HVAC) industry in the United States. [1]

  3. Occupational licensing - Wikipedia

    en.wikipedia.org/wiki/Occupational_licensing

    Licensing: Licensing refers to situations in which it is unlawful to carry out a specified range of activities for pay without first having obtained a license. This confirms that the license holder meets prescribed standards of competence. Workers who require such licenses to practice include doctors, lawyers, nurses, civil engineers, and ...

  4. Chicago - Wikipedia

    en.wikipedia.org/wiki/Chicago

    Chicago [a] is the most populous city in the U.S. state of Illinois and in the Midwestern United States. With a population of 2,746,388, as of the 2020 census, ...

  5. Frederick McKinley Jones - Wikipedia

    en.wikipedia.org/wiki/Frederick_McKinley_Jones

    U.S. patent D159,209 was issued on July 4, 1950 – Design for air conditioning unit. U.S. patent 2,523,273 was issued on September 26, 1950 – Engine actuated ventilating system. U.S. patent 2,526,874 was issued on October 24, 1950 – Apparatus for heating or cooling atmosphere within an enclosure.

  6. Community colleges offer clean energy training as climate ...

    www.aol.com/news/community-colleges-offer-clean...

    On the south side of Chicago, students learn to work on Rivian electric pickup trucks and SUVs through a new technician program at Olive-Harvey College. About 150 miles (240 kilometers) south ...

  7. Union Stock Yards - Wikipedia

    en.wikipedia.org/wiki/Union_Stock_Yards

    Panorama of the beef industry in 1900 by a Chicago-based photographer 1905 International Live Stock Exposition catalogue Hog hoist, circa 1909. The area and scale of the stockyards, along with technological advancements in rail transport and refrigeration, allowed for the creation of some of America's first truly global companies led by entrepreneurs such as Gustavus Franklin Swift and Philip ...

  8. Kevin James Lyons - Wikipedia

    en.wikipedia.org/wiki/Kevin_James_Lyons

    Kevin James Lyons (born 1980) is an American convicted felon who stole a photograph of Congressman John Lewis from house speaker Nancy Pelosi's office as he participated in the January 6 United States Capitol attack, for which he was found guilty of obstructing an official proceeding and theft.

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